Pop up with user information when clicking avatar on topic page
Adjust smoke test to work with user expansion
Increase size of click target on topic progress
FIX: Missing username in link to user
Version bump to 0.9.6.4
FIX: Private Message link was broken
Don't show private message button when not logged in
Small visual tweaks to user expansion
security issue, anon and logged in users could see the fact that a user sent another user a pm (but could not see the pm itself or title)
Merge remote-tracking branch 'upstream/master'