Update dependencies

package.json

@@ -19,20 +19,17 @@
   "author": "Artur Arseniev",
   "license": "BSD-3-Clause",
   "devDependencies": {
-    "babel-cli": "^6.11.4",
-    "babel-core": "^6.13.2",
-    "babel-eslint": "^6.1.2",
-    "babel-loader": "^6.2.4",
-    "babel-preset-es2015": "^6.13.2",
-    "eslint": "^3.2.2",
-    "grapesjs": "^0.5.41",
-    "json-loader": "^0.5.4",
-    "mocha": "^3.2.0",
-    "node-sass": "^3.13.1",
-    "webpack": "^1.13.1",
-    "webpack-dev-server": "^1.14.1"
+    "babel-core": "^6.24.1",
+    "babel-loader": "^7.0.0",
+    "babel-preset-es2015": "^6.24.1",
+    "babel-preset-stage-3": "^6.24.1",
+    "cross-env": "^5.0.5",
+    "eslint": "^4.1.1",
+    "node-sass": "^4.5.3",
+    "webpack": "^3.5.5",
+    "webpack-dev-server": "^2.7.1"
   },
   "dependencies": {
-    "juice": "^4.0.2"
+    "juice": "^4.1.1"
   }
 }