dep updates, use babel-preset-env

.babelrc

@@ -1,4 +1,4 @@
 {
-    "presets": ["stage-2", "es2015"],
+    "presets": ["env"],
     "plugins": ["transform-runtime"]
 }

package.json

@@ -29,23 +29,23 @@
   "homepage": "https://github.com/wix/redux-saga-tester#readme",
   "devDependencies": {
     "babel": "^6.5.2",
-    "babel-cli": "^6.14.0",
-    "babel-eslint": "^7.1.1",
+    "babel-cli": "^6.24.1",
+    "babel-eslint": "^7.2.3",
     "babel-plugin-transform-runtime": "^6.15.0",
-    "babel-preset-es2015": "^6.14.0",
-    "babel-preset-stage-2": "^6.13.0",
-    "babel-register": "^6.14.0",
+    "babel-preset-env": "^1.5.1",
+    "babel-register": "^6.24.1",
     "babel-runtime": "^6.11.6",
     "chai": "^3.5.0",
-    "chai-as-promised": "^5.3.0",
-    "eslint": "^3.13.1",
-    "mocha": "^3.0.2",
-    "nock": "^9.0.2",
+    "chai-as-promised": "^6.0.0",
+    "eslint": "^3.19.0",
+    "mocha": "^3.4.1",
+    "nock": "^9.0.13",
     "node-fetch": "^1.6.3",
     "redux": "^3.6.0",
-    "redux-saga": "^0.11.1"
+    "redux-saga": "^0.15.3"
   },
   "publishConfig": {
     "registry": "https://registry.npmjs.org/"
-  }
+  },
+  "dependencies": {}
 }