added a hovercard to the user karma display shown in the page header
fixed a phrase
fixed hovercard css
simplified navigation of questions from the user profile page
merged the "subscribe" checkbox with "follow" button functionally
adjusted test cases to fit the change on following the question
added management command apply_hinted_tags
Merge branch 'master' of https://github.com/ASKBOT/askbot-devel into zendesk_forum_entries