diff --git a/package.json b/package.json
index 6b4bca2..29fd6cf 100644
--- a/package.json
+++ b/package.json
@@ -81,7 +81,7 @@
     "chai": "3.5.0",
     "chai-enzyme": "0.6.1",
     "codecov": "2.3.1",
-    "compression-webpack-plugin": "0.3.2",
+    "compression-webpack-plugin": "1.1.5",
     "copy-webpack-plugin": "4.2.3",
     "cross-env": "4.0.0",
     "css-loader": "0.28.7",
diff --git a/yarn.lock b/yarn.lock
index 077774c..4085c90 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -136,6 +136,10 @@ aproba@^1.0.3:
   version "1.1.1"
   resolved "https://registry.npmjs.org/aproba/-/aproba-1.1.1.tgz#95d3600f07710aa0e9298c726ad5ecf2eacbabab"
 
+aproba@^1.1.1:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/aproba/-/aproba-1.2.0.tgz#6802e6264efd18c790a1b0d517f0f2627bf2c94a"
+
 are-we-there-yet@~1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/are-we-there-yet/-/are-we-there-yet-1.1.2.tgz#80e470e95a084794fe1899262c5667c6e88de1b3"
@@ -290,10 +294,6 @@ async-limiter@~1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/async-limiter/-/async-limiter-1.0.0.tgz#78faed8c3d074ab81f22b4e985d79e8738f720f8"
 
-async@0.2.x, async@~0.2.6:
-  version "0.2.10"
-  resolved "https://registry.npmjs.org/async/-/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
-
 async@1.5.0:
   version "1.5.0"
   resolved "https://registry.npmjs.org/async/-/async-1.5.0.tgz#2796642723573859565633fc6274444bee2f8ce3"
@@ -306,6 +306,16 @@ async@^0.9.0, async@~0.9.0:
   version "0.9.2"
   resolved "https://registry.npmjs.org/async/-/async-0.9.2.tgz#aea74d5e61c1f899613bf64bda66d4c78f2fd17d"
 
+async@^2.4.1:
+  version "2.6.0"
+  resolved "https://registry.yarnpkg.com/async/-/async-2.6.0.tgz#61a29abb6fcc026fea77e56d1c6ec53a795951f4"
+  dependencies:
+    lodash "^4.14.0"
+
+async@~0.2.6:
+  version "0.2.10"
+  resolved "https://registry.npmjs.org/async/-/async-0.2.10.tgz#b6bbe0b0674b9d719708ca38de8c237cb526c3d1"
+
 async@~2.1.2:
   version "2.1.5"
   resolved "https://registry.yarnpkg.com/async/-/async-2.1.5.tgz#e587c68580994ac67fc56ff86d3ac56bdbe810bc"
@@ -1240,7 +1250,7 @@ bluebird@^3.3.0, bluebird@^3.4.7:
   version "3.5.0"
   resolved "https://registry.npmjs.org/bluebird/-/bluebird-3.5.0.tgz#791420d7f551eea2897453a8a77653f96606d67c"
 
-bluebird@^3.5.1:
+bluebird@^3.5.0, bluebird@^3.5.1:
   version "3.5.1"
   resolved "https://registry.yarnpkg.com/bluebird/-/bluebird-3.5.1.tgz#d9551f9de98f1fcda1e683d17ee91a0602ee2eb9"
 
@@ -1536,6 +1546,24 @@ bytes@3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/bytes/-/bytes-3.0.0.tgz#d32815404d689699f85a4ea4fa8755dd13a96048"
 
+cacache@^10.0.1:
+  version "10.0.2"
+  resolved "https://registry.yarnpkg.com/cacache/-/cacache-10.0.2.tgz#105a93a162bbedf3a25da42e1939ed99ffb145f8"
+  dependencies:
+    bluebird "^3.5.0"
+    chownr "^1.0.1"
+    glob "^7.1.2"
+    graceful-fs "^4.1.11"
+    lru-cache "^4.1.1"
+    mississippi "^1.3.0"
+    mkdirp "^0.5.1"
+    move-concurrently "^1.0.1"
+    promise-inflight "^1.0.1"
+    rimraf "^2.6.1"
+    ssri "^5.0.0"
+    unique-filename "^1.1.0"
+    y18n "^3.2.1"
+
 cached-path-relative@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/cached-path-relative/-/cached-path-relative-1.0.1.tgz#d09c4b52800aa4c078e2dd81a869aac90d2e54e7"
@@ -1677,6 +1705,10 @@ chokidar@^1.0.0, chokidar@^1.4.1, chokidar@^1.6.1:
   optionalDependencies:
     fsevents "^1.0.0"
 
+chownr@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+
 cipher-base@^1.0.0, cipher-base@^1.0.1:
   version "1.0.3"
   resolved "https://registry.npmjs.org/cipher-base/-/cipher-base-1.0.3.tgz#eeabf194419ce900da3018c207d212f2a6df0a07"
@@ -1830,7 +1862,7 @@ combined-stream@^1.0.5, combined-stream@~1.0.5:
   dependencies:
     delayed-stream "~1.0.0"
 
-commander@2.9.0, commander@2.9.x, commander@^2.8.1, commander@^2.9.0:
+commander@2.9.0, commander@2.9.x, commander@^2.9.0:
   version "2.9.0"
   resolved "https://registry.npmjs.org/commander/-/commander-2.9.0.tgz#9c99094176e12240cb22d6c5146098400fe0f7d4"
   dependencies:
@@ -1866,14 +1898,15 @@ compressible@~2.0.8:
   dependencies:
     mime-db ">= 1.27.0 < 2"
 
-compression-webpack-plugin@0.3.2:
-  version "0.3.2"
-  resolved "https://registry.yarnpkg.com/compression-webpack-plugin/-/compression-webpack-plugin-0.3.2.tgz#1edfb0e749d7366d3e701670c463359b2c0cf704"
+compression-webpack-plugin@1.1.5:
+  version "1.1.5"
+  resolved "https://registry.yarnpkg.com/compression-webpack-plugin/-/compression-webpack-plugin-1.1.5.tgz#b680e20a5abb20fe7fa12c6cb5e597cd4ba3a995"
   dependencies:
-    async "0.2.x"
-    webpack-sources "^0.1.0"
-  optionalDependencies:
-    node-zopfli "^2.0.0"
+    async "^2.4.1"
+    cacache "^10.0.1"
+    find-cache-dir "^1.0.0"
+    serialize-javascript "^1.4.0"
+    webpack-sources "^1.0.1"
 
 compression@^1.5.2:
   version "1.6.2"
@@ -1890,7 +1923,7 @@ concat-map@0.0.1:
   version "0.0.1"
   resolved "https://registry.npmjs.org/concat-map/-/concat-map-0.0.1.tgz#d8a96bd77fd68df7793a73036a3ba0d5405d477b"
 
-concat-stream@^1.4.7, concat-stream@^1.5.2:
+concat-stream@^1.4.7, concat-stream@^1.5.0, concat-stream@^1.5.2:
   version "1.6.0"
   resolved "https://registry.npmjs.org/concat-stream/-/concat-stream-1.6.0.tgz#0aac662fd52be78964d5532f694784e70110acf7"
   dependencies:
@@ -1979,6 +2012,17 @@ cookie@0.3.1:
   version "0.3.1"
   resolved "https://registry.npmjs.org/cookie/-/cookie-0.3.1.tgz#e7e0a1f9ef43b4c8ba925c5c5a96e806d16873bb"
 
+copy-concurrently@^1.0.0:
+  version "1.0.5"
+  resolved "https://registry.yarnpkg.com/copy-concurrently/-/copy-concurrently-1.0.5.tgz#92297398cae34937fcafd6ec8139c18051f0b5e0"
+  dependencies:
+    aproba "^1.1.1"
+    fs-write-stream-atomic "^1.0.8"
+    iferr "^0.1.5"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.0"
+
 copy-webpack-plugin@4.2.3:
   version "4.2.3"
   resolved "https://registry.yarnpkg.com/copy-webpack-plugin/-/copy-webpack-plugin-4.2.3.tgz#4a3c61089f3b635777f0f0af346c338b39d63755"
@@ -2239,6 +2283,10 @@ custom-event@~1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/custom-event/-/custom-event-1.0.1.tgz#5d02a46850adf1b4a317946a3928fccb5bfd0425"
 
+cyclist@~0.2.2:
+  version "0.2.2"
+  resolved "https://registry.yarnpkg.com/cyclist/-/cyclist-0.2.2.tgz#1b33792e11e914a2fd6d6ed6447464444e5fa640"
+
 d@1:
   version "1.0.0"
   resolved "https://registry.npmjs.org/d/-/d-1.0.0.tgz#754bb5bfe55451da69a58b94d45f4c5b0462d58f"
@@ -2350,12 +2398,6 @@ deep-is@~0.1.3:
   version "0.1.3"
   resolved "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz#b369d6fb5dbc13eecf524f91b070feedc357cf34"
 
-defaults@^1.0.2:
-  version "1.0.3"
-  resolved "https://registry.npmjs.org/defaults/-/defaults-1.0.3.tgz#c656051e9817d9ff08ed881477f3fe4019f3ef7d"
-  dependencies:
-    clone "^1.0.2"
-
 define-properties@^1.1.2:
   version "1.1.2"
   resolved "https://registry.npmjs.org/define-properties/-/define-properties-1.1.2.tgz#83a73f2fea569898fb737193c8f873caf6d45c94"
@@ -2557,6 +2599,15 @@ duplexer2@^0.1.2, duplexer2@^0.1.4, duplexer2@~0.1.0, duplexer2@~0.1.2:
   dependencies:
     readable-stream "^2.0.2"
 
+duplexify@^3.4.2, duplexify@^3.5.3:
+  version "3.5.3"
+  resolved "https://registry.yarnpkg.com/duplexify/-/duplexify-3.5.3.tgz#8b5818800df92fd0125b27ab896491912858243e"
+  dependencies:
+    end-of-stream "^1.0.0"
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+    stream-shift "^1.0.0"
+
 ecc-jsbn@~0.1.1:
   version "0.1.1"
   resolved "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.1.tgz#0fc73a9ed5f0d53c38193398523ef7e543777505"
@@ -2612,6 +2663,12 @@ encoding@^0.1.11:
   dependencies:
     iconv-lite "~0.4.13"
 
+end-of-stream@^1.0.0, end-of-stream@^1.1.0:
+  version "1.4.1"
+  resolved "https://registry.yarnpkg.com/end-of-stream/-/end-of-stream-1.4.1.tgz#ed29634d19baba463b6ce6b80a37213eab71ec43"
+  dependencies:
+    once "^1.4.0"
+
 engine.io-client@1.8.3:
   version "1.8.3"
   resolved "https://registry.npmjs.org/engine.io-client/-/engine.io-client-1.8.3.tgz#1798ed93451246453d4c6f635d7a201fe940d5ab"
@@ -3285,6 +3342,14 @@ find-cache-dir@^0.1.1:
     mkdirp "^0.5.1"
     pkg-dir "^1.0.0"
 
+find-cache-dir@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/find-cache-dir/-/find-cache-dir-1.0.0.tgz#9288e3e9e3cc3748717d39eade17cf71fc30ee6f"
+  dependencies:
+    commondir "^1.0.1"
+    make-dir "^1.0.0"
+    pkg-dir "^2.0.0"
+
 find-root@^0.1.1:
   version "0.1.2"
   resolved "https://registry.npmjs.org/find-root/-/find-root-0.1.2.tgz#98d2267cff1916ccaf2743b3a0eea81d79d7dcd1"
@@ -3296,7 +3361,7 @@ find-up@^1.0.0:
     path-exists "^2.0.0"
     pinkie-promise "^2.0.0"
 
-find-up@^2.0.0:
+find-up@^2.0.0, find-up@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/find-up/-/find-up-2.1.0.tgz#45d1b7e506c717ddd482775a2b77920a3c0c57a7"
   dependencies:
@@ -3329,6 +3394,13 @@ flow-bin@0.43.1:
   version "0.43.1"
   resolved "https://registry.yarnpkg.com/flow-bin/-/flow-bin-0.43.1.tgz#0733958b448fb8ad4b1576add7e87c31794c81bc"
 
+flush-write-stream@^1.0.0:
+  version "1.0.2"
+  resolved "https://registry.yarnpkg.com/flush-write-stream/-/flush-write-stream-1.0.2.tgz#c81b90d8746766f1a609a46809946c45dd8ae417"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.4"
+
 follow-redirects@1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.0.0.tgz#8e34298cbd2e176f254effec75a1c78cc849fd37"
@@ -3393,6 +3465,13 @@ fresh@0.5.0:
   version "0.5.0"
   resolved "https://registry.npmjs.org/fresh/-/fresh-0.5.0.tgz#f474ca5e6a9246d6fd8e0953cfa9b9c805afa78e"
 
+from2@^2.1.0:
+  version "2.3.0"
+  resolved "https://registry.yarnpkg.com/from2/-/from2-2.3.0.tgz#8bfb5502bde4a4d36cfdeea007fcca21d7e382af"
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "^2.0.0"
+
 fs-access@^1.0.0:
   version "1.0.1"
   resolved "https://registry.npmjs.org/fs-access/-/fs-access-1.0.1.tgz#d6a87f262271cefebec30c553407fb995da8777a"
@@ -3418,6 +3497,15 @@ fs-readdir-recursive@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/fs-readdir-recursive/-/fs-readdir-recursive-1.0.0.tgz#8cd1745c8b4f8a29c8caec392476921ba195f560"
 
+fs-write-stream-atomic@^1.0.8:
+  version "1.0.10"
+  resolved "https://registry.yarnpkg.com/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz#b47df53493ef911df75731e70a9ded0189db40c9"
+  dependencies:
+    graceful-fs "^4.1.2"
+    iferr "^0.1.5"
+    imurmurhash "^0.1.4"
+    readable-stream "1 || 2"
+
 fs.realpath@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/fs.realpath/-/fs.realpath-1.0.0.tgz#1504ad2523158caa40db4a2787cb01411994ea4f"
@@ -4030,6 +4118,10 @@ ieee754@^1.1.4:
   version "1.1.8"
   resolved "https://registry.npmjs.org/ieee754/-/ieee754-1.1.8.tgz#be33d40ac10ef1926701f6f08a2d86fbfd1ad3e4"
 
+iferr@^0.1.5:
+  version "0.1.5"
+  resolved "https://registry.yarnpkg.com/iferr/-/iferr-0.1.5.tgz#c60eed69e6d8fdb6b3104a1fcbca1c192dc5b501"
+
 ignore-loader@0.1.2:
   version "0.1.2"
   resolved "https://registry.yarnpkg.com/ignore-loader/-/ignore-loader-0.1.2.tgz#d81f240376d0ba4f0d778972c3ad25874117a463"
@@ -5144,6 +5236,13 @@ lru-cache@^4.0.1:
     pseudomap "^1.0.1"
     yallist "^2.0.0"
 
+lru-cache@^4.1.1:
+  version "4.1.1"
+  resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-4.1.1.tgz#622e32e82488b49279114a4f9ecf45e7cd6bba55"
+  dependencies:
+    pseudomap "^1.0.2"
+    yallist "^2.1.2"
+
 lru-cache@~2.6.5:
   version "2.6.5"
   resolved "https://registry.yarnpkg.com/lru-cache/-/lru-cache-2.6.5.tgz#e56d6354148ede8d7707b58d143220fd08df0fd5"
@@ -5173,6 +5272,12 @@ mailgun-js@^0.7.0:
     q "~1.4.0"
     tsscmp "~1.0.0"
 
+make-dir@^1.0.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/make-dir/-/make-dir-1.1.0.tgz#19b4369fe48c116f53c2af95ad102c0e39e85d51"
+  dependencies:
+    pify "^3.0.0"
+
 map-obj@^1.0.0, map-obj@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/map-obj/-/map-obj-1.0.1.tgz#d933ceb9205d82bdcf4886f6742bdc2b4dea146d"
@@ -5311,6 +5416,21 @@ minimist@1.2.0, minimist@^1.1.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+mississippi@^1.3.0:
+  version "1.3.1"
+  resolved "https://registry.yarnpkg.com/mississippi/-/mississippi-1.3.1.tgz#2a8bb465e86550ac8b36a7b6f45599171d78671e"
+  dependencies:
+    concat-stream "^1.5.0"
+    duplexify "^3.4.2"
+    end-of-stream "^1.1.0"
+    flush-write-stream "^1.0.0"
+    from2 "^2.1.0"
+    parallel-transform "^1.1.0"
+    pump "^1.0.0"
+    pumpify "^1.3.3"
+    stream-each "^1.1.0"
+    through2 "^2.0.0"
+
 mkdirp@0.5.1, mkdirp@0.5.x, "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
   resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
@@ -5358,6 +5478,17 @@ moment@2.x.x:
   version "2.18.1"
   resolved "https://registry.npmjs.org/moment/-/moment-2.18.1.tgz#c36193dd3ce1c2eed2adb7c802dbbc77a81b1c0f"
 
+move-concurrently@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/move-concurrently/-/move-concurrently-1.0.1.tgz#be2c005fda32e0b29af1f05d7c4b33214c701f92"
+  dependencies:
+    aproba "^1.1.1"
+    copy-concurrently "^1.0.0"
+    fs-write-stream-atomic "^1.0.8"
+    mkdirp "^0.5.1"
+    rimraf "^2.5.4"
+    run-queue "^1.0.3"
+
 ms@0.7.1:
   version "0.7.1"
   resolved "https://registry.npmjs.org/ms/-/ms-0.7.1.tgz#9cd13c03adbff25b65effde7ce864ee952017098"
@@ -5380,7 +5511,7 @@ mute-stream@0.0.5:
   version "0.0.5"
   resolved "https://registry.npmjs.org/mute-stream/-/mute-stream-0.0.5.tgz#8fbfabb0a98a253d3184331f9e8deb7372fac6c0"
 
-nan@^2.0.0, nan@^2.3.0:
+nan@^2.3.0:
   version "2.5.1"
   resolved "https://registry.npmjs.org/nan/-/nan-2.5.1.tgz#d5b01691253326a97a2bbee9e61c55d8d60351e2"
 
@@ -5471,7 +5602,7 @@ node-libs-browser@^1.0.0:
     util "^0.10.3"
     vm-browserify "0.0.4"
 
-node-pre-gyp@^0.6.29, node-pre-gyp@^0.6.4:
+node-pre-gyp@^0.6.29:
   version "0.6.34"
   resolved "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.6.34.tgz#94ad1c798a11d7fc67381b50d47f8cc18d9799f7"
   dependencies:
@@ -5493,15 +5624,6 @@ node-uuid@latest, node-uuid@~1.4.7:
   version "1.4.8"
   resolved "https://registry.npmjs.org/node-uuid/-/node-uuid-1.4.8.tgz#b040eb0923968afabf8d32fb1f17f1167fdab907"
 
-node-zopfli@^2.0.0:
-  version "2.0.2"
-  resolved "https://registry.npmjs.org/node-zopfli/-/node-zopfli-2.0.2.tgz#a7a473ae92aaea85d4c68d45bbf2c944c46116b8"
-  dependencies:
-    commander "^2.8.1"
-    defaults "^1.0.2"
-    nan "^2.0.0"
-    node-pre-gyp "^0.6.4"
-
 nodemailer-direct-transport@3.3.2:
   version "3.3.2"
   resolved "https://registry.yarnpkg.com/nodemailer-direct-transport/-/nodemailer-direct-transport-3.3.2.tgz#e96fafb90358560947e569017d97e60738a50a86"
@@ -5694,7 +5816,7 @@ on-headers@~1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/on-headers/-/on-headers-1.0.1.tgz#928f5d0f470d49342651ea6794b0857c100693f7"
 
-once@1.x, once@^1.3.0, once@^1.3.3:
+once@1.x, once@^1.3.0, once@^1.3.1, once@^1.3.3, once@^1.4.0:
   version "1.4.0"
   resolved "https://registry.npmjs.org/once/-/once-1.4.0.tgz#583b1aa775961d4b113ac17d9c50baef9dd76bd1"
   dependencies:
@@ -5818,6 +5940,14 @@ pako@~1.0.5:
   version "1.0.6"
   resolved "https://registry.yarnpkg.com/pako/-/pako-1.0.6.tgz#0101211baa70c4bca4a0f63f2206e97b7dfaf258"
 
+parallel-transform@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/parallel-transform/-/parallel-transform-1.1.0.tgz#d410f065b05da23081fcd10f28854c29bda33b06"
+  dependencies:
+    cyclist "~0.2.2"
+    inherits "^2.0.3"
+    readable-stream "^2.1.5"
+
 param-case@2.1.x:
   version "2.1.1"
   resolved "https://registry.npmjs.org/param-case/-/param-case-2.1.1.tgz#df94fd8cf6531ecf75e6bef9a0858fbc72be2247"
@@ -5963,6 +6093,10 @@ pify@^2.0.0:
   version "2.3.0"
   resolved "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz#ed141a6ac043a849ea588498e7dca8b15330e90c"
 
+pify@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-3.0.0.tgz#e5a4acd2c101fdf3d9a4d07f0dbc4db49dd28176"
+
 pinkie-promise@^1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/pinkie-promise/-/pinkie-promise-1.0.0.tgz#d1da67f5482563bb7cf57f286ae2822ecfbf3670"
@@ -5989,6 +6123,12 @@ pkg-dir@^1.0.0:
   dependencies:
     find-up "^1.0.0"
 
+pkg-dir@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/pkg-dir/-/pkg-dir-2.0.0.tgz#f6d5d1109e19d63edf428e0bd57e12777615334b"
+  dependencies:
+    find-up "^2.1.0"
+
 pluralize@^1.2.1:
   version "1.2.1"
   resolved "https://registry.npmjs.org/pluralize/-/pluralize-1.2.1.tgz#d1a21483fd22bb41e58a12fa3421823140897c45"
@@ -6455,6 +6595,10 @@ progress@^1.1.8:
   version "1.1.8"
   resolved "https://registry.npmjs.org/progress/-/progress-1.1.8.tgz#e260c78f6161cdd9b0e56cc3e0a85de17c7a57be"
 
+promise-inflight@^1.0.1:
+  version "1.0.1"
+  resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
+
 promise@^7.1.1:
   version "7.1.1"
   resolved "https://registry.npmjs.org/promise/-/promise-7.1.1.tgz#489654c692616b8aa55b0724fa809bb7db49c5bf"
@@ -6499,9 +6643,9 @@ prr@~0.0.0:
   version "0.0.0"
   resolved "https://registry.npmjs.org/prr/-/prr-0.0.0.tgz#1a84b85908325501411853d0081ee3fa86e2926a"
 
-pseudomap@^1.0.1:
+pseudomap@^1.0.1, pseudomap@^1.0.2:
   version "1.0.2"
-  resolved "https://registry.npmjs.org/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
+  resolved "https://registry.yarnpkg.com/pseudomap/-/pseudomap-1.0.2.tgz#f052a28da70e618917ef0a8ac34c1ae5a68286b3"
 
 public-encrypt@^4.0.0:
   version "4.0.0"
@@ -6513,6 +6657,28 @@ public-encrypt@^4.0.0:
     parse-asn1 "^5.0.0"
     randombytes "^2.0.1"
 
+pump@^1.0.0:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-1.0.3.tgz#5dfe8311c33bbf6fc18261f9f34702c47c08a954"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pump@^2.0.0:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/pump/-/pump-2.0.1.tgz#12399add6e4cf7526d973cbc8b5ce2e2908b3909"
+  dependencies:
+    end-of-stream "^1.1.0"
+    once "^1.3.1"
+
+pumpify@^1.3.3:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/pumpify/-/pumpify-1.4.0.tgz#80b7c5df7e24153d03f0e7ac8a05a5d068bd07fb"
+  dependencies:
+    duplexify "^3.5.3"
+    inherits "^2.0.3"
+    pump "^2.0.0"
+
 punycode@1.3.2:
   version "1.3.2"
   resolved "https://registry.npmjs.org/punycode/-/punycode-1.3.2.tgz#9653a036fb7c1ee42342f2325cceefea3926c48d"
@@ -6805,6 +6971,18 @@ read-pkg@^2.0.0:
     normalize-package-data "^2.3.2"
     path-type "^2.0.0"
 
+"readable-stream@1 || 2", readable-stream@2, readable-stream@^2.0.4, readable-stream@^2.3.0:
+  version "2.3.3"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.3"
+    isarray "~1.0.0"
+    process-nextick-args "~1.0.6"
+    safe-buffer "~5.1.1"
+    string_decoder "~1.0.3"
+    util-deprecate "~1.0.1"
+
 readable-stream@1.0:
   version "1.0.34"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
@@ -6823,18 +7001,6 @@ readable-stream@1.1.x, readable-stream@~1.1.9:
     isarray "0.0.1"
     string_decoder "~0.10.x"
 
-readable-stream@2, readable-stream@^2.3.0:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-2.3.3.tgz#368f2512d79f9d46fdfc71349ae7878bbc1eb95c"
-  dependencies:
-    core-util-is "~1.0.0"
-    inherits "~2.0.3"
-    isarray "~1.0.0"
-    process-nextick-args "~1.0.6"
-    safe-buffer "~5.1.1"
-    string_decoder "~1.0.3"
-    util-deprecate "~1.0.1"
-
 readable-stream@^2.0.0, "readable-stream@^2.0.0 || ^1.1.13", readable-stream@^2.0.1, readable-stream@^2.0.2, readable-stream@^2.0.5, readable-stream@^2.1.4, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.2.6:
   version "2.2.6"
   resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.2.6.tgz#8b43aed76e71483938d12a8d46c6cf1a00b1f816"
@@ -7272,6 +7438,12 @@ rimraf@2, rimraf@^2.2.8, rimraf@^2.5.1, rimraf@^2.6.0, rimraf@^2.6.1:
   dependencies:
     glob "^7.0.5"
 
+rimraf@^2.5.4:
+  version "2.6.2"
+  resolved "https://registry.yarnpkg.com/rimraf/-/rimraf-2.6.2.tgz#2ed8150d24a16ea8651e6d6ef0f47c4158ce7a36"
+  dependencies:
+    glob "^7.0.5"
+
 ripemd160@0.2.0:
   version "0.2.0"
   resolved "https://registry.npmjs.org/ripemd160/-/ripemd160-0.2.0.tgz#2bf198bde167cacfa51c0a928e84b68bbe171fce"
@@ -7294,6 +7466,12 @@ run-async@^0.1.0:
   dependencies:
     once "^1.3.0"
 
+run-queue@^1.0.0, run-queue@^1.0.3:
+  version "1.0.3"
+  resolved "https://registry.yarnpkg.com/run-queue/-/run-queue-1.0.3.tgz#e848396f057d223f24386924618e25694161ec47"
+  dependencies:
+    aproba "^1.1.1"
+
 rx-lite@^3.1.2:
   version "3.1.2"
   resolved "https://registry.npmjs.org/rx-lite/-/rx-lite-3.1.2.tgz#19ce502ca572665f3b647b10939f97fd1615f102"
@@ -7346,6 +7524,10 @@ serialize-error@^2.1.0:
   version "2.1.0"
   resolved "https://registry.yarnpkg.com/serialize-error/-/serialize-error-2.1.0.tgz#50b679d5635cdf84667bdc8e59af4e5b81d5f60a"
 
+serialize-javascript@^1.4.0:
+  version "1.4.0"
+  resolved "https://registry.yarnpkg.com/serialize-javascript/-/serialize-javascript-1.4.0.tgz#7c958514db6ac2443a8abc062dc9f7886a7f6005"
+
 serve-index@^1.7.2:
   version "1.8.0"
   resolved "https://registry.npmjs.org/serve-index/-/serve-index-1.8.0.tgz#7c5d96c13fb131101f93c1c5774f8516a1e78d3b"
@@ -7648,7 +7830,7 @@ source-map@^0.4.4, source-map@~0.4.1:
   dependencies:
     amdefine ">=0.0.4"
 
-source-map@^0.6.1:
+source-map@^0.6.1, source-map@~0.6.1:
   version "0.6.1"
   resolved "https://registry.yarnpkg.com/source-map/-/source-map-0.6.1.tgz#74722af32e9614e9c287a8d0bbde48b5e2f1a263"
 
@@ -7699,6 +7881,12 @@ sshpk@^1.7.0:
     jsbn "~0.1.0"
     tweetnacl "~0.14.0"
 
+ssri@^5.0.0:
+  version "5.1.0"
+  resolved "https://registry.yarnpkg.com/ssri/-/ssri-5.1.0.tgz#2cbf1df36b74d0fc91fcf89640a4b3e1d10b1899"
+  dependencies:
+    safe-buffer "^5.1.0"
+
 "statuses@>= 1.3.1 < 2", statuses@~1.3.1:
   version "1.3.1"
   resolved "https://registry.npmjs.org/statuses/-/statuses-1.3.1.tgz#faf51b9eb74aaef3b3acf4ad5f61abf24cb7b93e"
@@ -7721,6 +7909,13 @@ stream-combiner2@^1.1.1:
     duplexer2 "~0.1.0"
     readable-stream "^2.0.2"
 
+stream-each@^1.1.0:
+  version "1.2.2"
+  resolved "https://registry.yarnpkg.com/stream-each/-/stream-each-1.2.2.tgz#8e8c463f91da8991778765873fe4d960d8f616bd"
+  dependencies:
+    end-of-stream "^1.1.0"
+    stream-shift "^1.0.0"
+
 stream-http@^2.0.0:
   version "2.7.2"
   resolved "https://registry.yarnpkg.com/stream-http/-/stream-http-2.7.2.tgz#40a050ec8dc3b53b33d9909415c02c0bf1abfbad"
@@ -7741,6 +7936,10 @@ stream-http@^2.3.1:
     to-arraybuffer "^1.0.0"
     xtend "^4.0.0"
 
+stream-shift@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/stream-shift/-/stream-shift-1.0.0.tgz#d5c752825e5367e786f78e18e445ea223a155952"
+
 stream-splicer@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/stream-splicer/-/stream-splicer-2.0.0.tgz#1b63be438a133e4b671cc1935197600175910d83"
@@ -8198,6 +8397,18 @@ uniqs@^2.0.0:
   version "2.0.0"
   resolved "https://registry.npmjs.org/uniqs/-/uniqs-2.0.0.tgz#ffede4b36b25290696e6e165d4a59edb998e6b02"
 
+unique-filename@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/unique-filename/-/unique-filename-1.1.0.tgz#d05f2fe4032560871f30e93cbe735eea201514f3"
+  dependencies:
+    unique-slug "^2.0.0"
+
+unique-slug@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/unique-slug/-/unique-slug-2.0.0.tgz#db6676e7c7cc0629878ff196097c78855ae9f4ab"
+  dependencies:
+    imurmurhash "^0.1.4"
+
 unpipe@1.0.0, unpipe@~1.0.0:
   version "1.0.0"
   resolved "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz#b2bf4ee8514aae6165b4817829d21b2ef49904ec"
@@ -8446,6 +8657,13 @@ webpack-sources@^0.1.0:
     source-list-map "~0.1.7"
     source-map "~0.5.3"
 
+webpack-sources@^1.0.1:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.1.0.tgz#a101ebae59d6507354d71d8013950a3a8b7a5a54"
+  dependencies:
+    source-list-map "^2.0.0"
+    source-map "~0.6.1"
+
 webpack-stream@3.2.0:
   version "3.2.0"
   resolved "https://registry.yarnpkg.com/webpack-stream/-/webpack-stream-3.2.0.tgz#3a1d160fb11d41727b7ce6f32f722464f98b2186"
@@ -8621,9 +8839,13 @@ xtend@^4.0.0, xtend@^4.0.1, xtend@~4.0.1:
   version "4.0.1"
   resolved "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
-yallist@^2.0.0:
+y18n@^3.2.1:
+  version "3.2.1"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+
+yallist@^2.0.0, yallist@^2.1.2:
   version "2.1.2"
-  resolved "https://registry.npmjs.org/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
 yaml-loader@0.4.0:
   version "0.4.0"