SB2: basic TrayComponent + SideView.
SB2: stubs for tray component & generally working stuff.
SB2: better QMLs.
SB2: removed some debugging output.
SB2: query also ActionIcon prop for icons.
SB2: handle action changes/removals.
SB2: changed model names.
SB2: expose action object to the tray view.
SB2: clickable actions in TrayComponent.
SB2: off by default for now.
SB2: slight code changes.
SB2: bigger minimum size hint.
SB2: stateful clicking.
SB2: pressed state for TrayComponent.
SB2: quick launch is fine too for traycomponent.
SB2: highlight for checked objects.
SB2: pixmap width may be double.
SB2: proper anchor animation.
SB2: ViewManager::SecondInit() + load naked quarks.
SB2: moved common stuff to ActionButton.