Fix build with ui framework (#9471)

Backports PR #9463

**Commit 1:**
[uiFramework] include sass deps in production so we can rebuild

* Original sha: aae8eec
* Authored by spalger <[email protected]> on 2016-12-13T19:08:06Z

**Commit 2:**
[build] do not copy the doc_site source into the final build

* Original sha: fccbe49
* Authored by spalger <[email protected]> on 2016-12-13T19:08:31Z

**Commit 3:**
[licenses] allow code that uses the `Unlicense`

* Original sha: 9406b9e
* Authored by spalger <[email protected]> on 2016-12-13T20:46:19Z

package.json

@@ -142,6 +142,7 @@
     "moment-timezone": "0.5.4",
     "no-ui-slider": "1.2.0",
     "node-fetch": "1.3.2",
+    "node-sass": "3.8.0",
     "node-uuid": "1.4.7",
     "pegjs": "0.9.0",
     "querystring-browser": "1.0.4",
@@ -150,6 +151,7 @@
     "rimraf": "2.4.3",
     "rison-node": "1.0.0",
     "rjs-repack-loader": "1.0.6",
+    "sass-loader": "4.0.0",
     "script-loader": "0.6.1",
     "semver": "5.1.0",
     "style-loader": "0.12.3",
@@ -217,7 +219,6 @@
     "murmurhash3js": "3.0.1",
     "ncp": "2.0.0",
     "nock": "8.0.0",
-    "node-sass": "3.8.0",
     "npm": "3.10.8",
     "portscanner": "1.0.0",
     "proxyquire": "1.7.10",
@@ -229,7 +230,6 @@
     "react-router-redux": "4.0.4",
     "redux": "3.0.0",
     "redux-thunk": "0.1.0",
-    "sass-loader": "4.0.0",
     "simple-git": "1.37.0",
     "sinon": "1.17.2",
     "source-map": "0.5.6",

tasks/config/copy.js

@@ -14,6 +14,7 @@ module.exports = function (grunt) {
         '!src/core_plugins/tests_bundle/**',
         '!src/core_plugins/console/public/tests/**',
         '!src/cli/cluster/**',
+        '!src/ui_framework/doc_site/**',
       ],
       dest: 'build/kibana',
       expand: true

tasks/config/licenses.js

@@ -29,6 +29,7 @@ module.exports = function (grunt) {
         'MIT/X11',
         'OFL-1.1 AND MIT',
         'Public domain',
+        'Unlicense',
         'WTFPL',
         'new BSD, and MIT'
       ],