LB-1385 Added css require plugin

Added css plugin for server side rendering.
Requirejs css plugin checks if the css style was loaded.
Added parameters to global client livedesk variable.

Conflicts:

	gui-themes/themes/zeit/desktop.js
LB-1385 Minor fixes
Removed console.log
Renamed css-loader into css.
LB-1385 Clearify configs.
Paths object added.

Conflicts:

	gui-themes/themes/zeit/desktop.js