[admin_app]

* Merged login page and backend app together
* Login with jsonwebtoken finished
* Client routing and interceptions implemented
* Login in as user or admin is now available
* Added a basic home site, admin site
* Removed server side logout, client only (see jwt)
* Updated less to apply some styles to the app
* Upd: util: Added submodule server for response functions
* ---> time: Added submodule time for conversion functions
* ---> moved most parts into common
* ---> using extend to export submodules
* Add: bower as package manager for browser modules
* Add: api controller to the server with authentication based on jwt.
Merge branch 'admin_app' into dev