--introduce AppletAbilities qml library which is going
to be available to all applets to use it freely. In the stage
all components will be qml-only but in the future when
any of the components have been stabilized for their
apis then many of them could gain c++ implementation
--many applets are changing layouts and during that
process the main icon becomes invisile, in that case
the latte overlaied icon should also been disabled and
let applet paint itself accordingly
FIXED-IN:0.9.3
--activeIndicatorEnabled, applets can use it in order
to enable/disable the Latte Active Indicator for them
--parabolicEffectEnabled, applets can use it in order
to disable Parabolic Effect (zoom) for them
Michail Vourlakos