enforce csrf protection on edit_comment to prevent a 403 error code issued when trying to edit a comment
fixes bug that blocked custom css on closed forum mode
Fix comment count update when converting answer to comment

Fixes #195
fixed a couple of issues in the osqa import
small change in export_osqa command
added import of accepted questions and skipped importing deleted content
disallowed hash at the beginnings of tags
made fix_question_tags respect the forbidden tag chars in the beginning and tag rename management commands
fixed typo in a template
made amends to th fix_question_tags management command
small changes to make tests pass
fixed a bug where posting a question may take long time
added class to an html element in the main page paginator macro
Allow pre-populate email and username of sign-up inforamtion via Facebook
escaped system message in the header
made a better fix to escaping the openid url
fix_question_tags seems to work now
fixed a bug on fixing new question
hopefully fixed the rss feed for the individual answer
change the var InputToolTip function to get correct translation of the live search default text