Merge pull request #169 from azaghal/master

Add the SETTING_SERVER_TIMEZONE to settings table initial fixtures
Added "private_comment" class.
Added styling CSS for "system_comment" and "private_comment" classes.
Improved differentiation of private comments.
Merge pull request #171 from Grexeo/master

Improve differentiation of system and private comments
use getIconsetName instead of getThemeName for captcha
Merge pull request #174 from frozenice-/patch-1

use getIconsetName instead of getThemeName for captcha
Reduce excessive flashing of save changes prompt
Merge pull request #176 from Grexeo/master

Reduce excessive pulsing of save changed dialog
Merge remote-tracking branch 'upstream/master'.
Merge pull request #177 from azaghal/master

Merge VCS integration changes from branch-32 and timezone settings update
Merge remote-tracking branch 'upstream/master'