Fix bug at following users

Fix bug where unlogged users are able to follow anothers.See demo here
http://open-wp.com/questions/user/admin/followers/
Add comma to separate tags

Adds a simple comma to separate tags
Fix tag Arrow >

Fix style for tag arrow >>>
Fix un-clickable links

If you go http://open-wp.com/questions/user/admin/answers/ and try to
sort the answers you can't click the sort options
Reposition the comma for better alignment
Merge pull request #123 from AlexAlexandru/master

Fix stuffs