Proper reflect when chat room member renames, don't duplicate members and update ui with the change. Trying to fix when sometimes contacts are duplicate in chat room members list issue#791. Selecting members on right click issue#796. Don't show configuration form button if we don't have such a permission to use it issue#795. Show member role icons in tooltip issue#793. Show proper roles for local and remote members in chat room. Don't show that subject has changed on startup issue#792. Properly link chat room members and our contacts. 
Don't allow to call SIP contacts through another protocol in the call history.
Commit from translate.sip-communicator.org by user mandre.: 864 of 864 messages translated (0 fuzzy).
Fixing role behavior and role change reporting, as previous role info is missing when role change occurs.