Fixes #214 Rate User not working

The template 'reputation_add_error_nomodal' was missing.
Working on #375 [jQuery] Implement Select2

The 'to' field and 'bcc' field of Compose PM page are now auto completed
using Select2. The boxes have width issues right now which must be
fixed.
Working on #375 [jQuery] Implement Select2

Fixed width issues on Compose PM - To and BCC fields.
Working on #375 [jQuery] Implement Select2

Replaced all entries of typeahead in the theme by Select2.
Fixes #190 Report reason only works for 1st modal