Replaced the broken implementation of bootstrap CSS file inclusion.
fix #528

Inserted Bootstrap 2.3.2 assets for all possible combinations of parameters.

Corrected the implementation of registration because CDN hosts only responsive, minified versions of Bootstrap libraries.
Removed LESS files as they are unused
Removed bootstrap CSS files from old place
Removed stray font-awesome.html from the codebase.
Updated changelog with the description of latest changes.