fix(build): fix / debug Travis CI build

Author: tomastrajan

.travis.yml

@@ -2,6 +2,5 @@ language: node_js
 node_js:
   - "4.1"
 script:
-  - bash rm -rf node_modules
   - npm run ci
   - bash ./.travis-deploy.sh

package.json

@@ -34,6 +34,7 @@
     "babel-plugin-transform-runtime": "^6.4.3",
     "babel-preset-es2015": "^6.3.13",
     "babel-register": "^6.4.3",
+    "babel-runtime": "^6.3.19",
     "chai": "^3.2.0",
     "chalk": "^1.1.0",
     "clean-webpack-plugin": "^0.1.3",