Updated registration process

-Started updating registration process by reworking registration div.
-Registration works via POST request and server responds.
-Authentication in the works
Improved stability on server startup

Added a try-catch-block for starting the servers.
Removed unused imports

Removed all (currently) unused angular imports
Fine adjustments to register tab div size
Added info.js to display messages to the user
Added jQuery-UI to the project to add some effects
Added new Javascript imports

Added imports for:
- registration.js
- info.js
- jquery-ui.js