CSS cleanup. New look of profile, login, registration and workbench pages
Change background of img tag instead of dfiv wrapper in avatar field
Add social media icons
Fix styling issues on workbench moderation pages
Add comments 'collapse/expand' and 'show parent'
New comments look and feel
Various CSS changes mainly for user profile, workbench, forums and blogs
Create an independant ccs rule for the search_box fixing redmine issue 1388