Improve sound playback (see Issue #4)
Remove useless blank line
Remove unused code that is related with invitations
Replace "operator/invite.php" with a controller
Use appropriate name for submit handler in "CannedMessageController"
Rebuild js using latest Closure compiler
Merge remote-tracking branch 'origin/issue04'
Beautify js code
Replace "operator/operators.php" with a controller
Fix regexp for thread ID
Replace "operator/operator.php" with a controller
Replace "operator/avatar.php" with a controller
Do not index avatars
Split giant "OperatorController" to several parts
Split giant "GroupController" to several parts
Fix bug with operators URLs at group member page
Replace "operator/opgroups.php" with a controller
Remove "&amp;" from "get_csrf_token_in_url" function's result
Make "Mibew\Controller\Group\AbstractController" really abstract
Replace "operator/permissions.php" with a controller