- MfxCanvas implemented with new base class LImage
- MfxCanvas background updates adapted
- Screen rotation lock change: locks on card selection, i.e.
when the user plays, unlocks on menu selection or pause.
- animations callback implemented in MfxCanvasGroup (mainly for
mahjongg games) in order to have correct placments with undo
when animation is enabled
- animation scheduling implemented on a tasking basis. New
module LTaskQ added.
- refactorings and clean ups
