LB-916 : Live Blog general redesign

New styles added
LB-839: Add 'Loading' wheel whenever asynchronous info is loading

Add loading wheel for all global ajax calls.
LB-839: Add 'Loading' wheel whenever asynchronous info is loading

Use existing jquery plugin for loading wheel.
Merge pull request #71 from petrjasek/lb-839-loading

Lb 839 loading
Merge pull request #69 from nidzix/devel

LB-916 : Live Blog general redesign