Fix crash with new Conference models.
Fix duration to 1 hour and if a ICS was selected, display the correct duration.
Fix margins on date in conference creation and on Date picker.
Change admin english text event in chats.
Remove secure icon in conference contact search.
Display one star security icon if ZRTP was not verified.
On authentication popup, remove Realm if username is only displayed. Adapt Identity text.
Fix forward selection in search bar.
Change date and time pickers into datetime popup.
Upgrade date picker design.
Fix time picker design to follow popup layout.
Fix audio video conference URI migration in linphonerc and avoid to replace it if it already exists (same for conference URI).
Remove binding loop warning on combobox.
In meeting creation, format dates to system and fix combobox display.
