/!\ not finished, everything is still instable !
- bridge: DBus bridge has been modified to allow blocking call to be called in the same way as asynchronous calls
- bridge: calls with a callback and no errback are now possible, default errback log the error
- constants: removed hack to manage presence without OrderedDict, as an OrderedDict like class has been implemented in Libervia
- core: getLastResource has been removed and replaced by getMainResource (there is a global better management of resources)
- various style improvments: use of constants when possible, fixed variable overlaps, import of module instead of direct class import
- frontends: printInfo and printMessage methods in (Quick)Chat are more generic (use of extra instead of timestamp)
- frontends: bridge creation and option parsing (command line arguments) are now specified by the frontend in QuickApp __init__
- frontends: ProfileManager manage a more complete plug sequence (some stuff formerly manage in contact_list have moved to ProfileManager)
- quick_frontend (quick_widgets): QuickWidgetsManager is now iterable (all widgets are then returned), or can return an iterator on a specific class (return all widgets of this class) with getWidgets
- frontends: tools.jid can now be used in Pyjamas, with some care
- frontends (XMLUI): profile is now managed
- core (memory): big improvment on entities cache management (and specially resource management)
- core (params/exceptions): added PermissionError
- various fixes and improvments, check diff for more details
- otr_data is now saved between sessions
- private key is encrypted before saving
- state change is detected (unencrypted/started/refreshed/finished) and (un)trusted (trusting is not implemented yet)
- user feedback
- fixed unencrypted message in an encrypted context warning
- fixed inject msg encoding
- minor refactoring
