Merge branch 'dev' of https://github.com/webslides/WebSlides into dev

package.json

@@ -31,7 +31,7 @@
     "ava": "^0.19.1",
     "babel-cli": "^6.24.1",
     "babel-core": "^6.24.1",
-    "babel-loader": "^6.4.1",
+    "babel-loader": "^7.0.0",
     "babel-polyfill": "^6.23.0",
     "babel-preset-env": "^1.4.0",
     "babel-preset-es2015": "^6.24.1",
@@ -44,7 +44,7 @@
     "rimraf": "^2.6.1",
     "smart-banner-webpack-plugin": "^3.0.1",
     "webpack": "^2.4.1",
-    "webpack-dev-server": "^2.4.2"
+    "webpack-dev-server": "^2.4.4"
   },
   "scripts": {
     "prebuild": "rimraf static/js/webslide*",