combined all dev branches for kp
made possibility to display threads as new/seen
merged and improved group sorting in the menu
improved tag validation messages and fixed bug where tags were lost in the input box on edit
improved group-adding js for the case-variants of group names
minor change
hopefully fixess js erros for IE file upload
fixed a syntax error in the settings.py templates
Merge branch 'master' into group-messaging
private message navigation starts to work
made personal messages answerable
restored the file attachment function to tinymce
Merge branch 'master' into kp-dev
threads can be now deleted and restored
disabled pre-load data in the user autocompleter, fixes the missing names in the autocompleter
fixed a bug in the autocompleter where autocompletion data was loaded only once
added "vip" option to groups
fixed a bug in an autocompleter where initial value of the field could be erased
Merge branch 'master' into group-messaging
added sent mailbox, message counts in threads, fixed some bugs and added test cases