LB-1579 More refactored configuration.

Also fixed css rendering.
Url-href refactored to look more like loder methods.
   methods are made to fit the app.js needs.

Conflicts:

	gui-resources/scripts/js/app.js
LB-1579 Added http 400 codes to error body.
Merge pull request #119 from nistormihai/lb-1579-configuration

Lb 1579 configuration