Added repository field to package.json
Merge remote-tracking branch 'origin/master'
UI test support using protractor

 - added simple UI test
 - added protractor config
 - commented out google-analytics - because selenium had hung with it included

How to run:
  ```
 grunt serve
 npm run-script protractor
 ```

Not implemented: run tests automaticaly and support Travis-CI, added issue #1 for this reason