[Toolkit.Graphics] Fix issue #304. Add virtual to GameSystem.Initialize and fire events methods
[Toolkit.Graphics] Fix issue #304. Add virtual to GameSystem.Initialize and fire events methods

weltkante/SharpDX,waltdestler/SharpDX,fmarrabal/SharpDX,VirusFree/SharpDX,shoelzer/SharpDX,wyrover/SharpDX,PavelBrokhman/SharpDX,RobyDX/SharpDX,PavelBrokhman/SharpDX,sharpdx/SharpDX,jwollen/SharpDX,TechPriest/SharpDX,RobyDX/SharpDX,weltkante/SharpDX,wyrover/SharpDX,RobyDX/SharpDX,shoelzer/SharpDX,manu-silicon/SharpDX,dazerdude/SharpDX,wyrover/SharpDX,VirusFree/SharpDX,dazerdude/SharpDX,Ixonos-USA/SharpDX,mrvux/SharpDX,davidlee80/SharpDX-1,jwollen/SharpDX,fmarrabal/SharpDX,TigerKO/SharpDX,manu-silicon/SharpDX,wyrover/SharpDX,manu-silicon/SharpDX,weltkante/SharpDX,TigerKO/SharpDX,sharpdx/SharpDX,fmarrabal/SharpDX,jwollen/SharpDX,TechPriest/SharpDX,jwollen/SharpDX,PavelBrokhman/SharpDX,weltkante/SharpDX,TigerKO/SharpDX,Ixonos-USA/SharpDX,waltdestler/SharpDX,TigerKO/SharpDX,davidlee80/SharpDX-1,Ixonos-USA/SharpDX,mrvux/SharpDX,RobyDX/SharpDX,mrvux/SharpDX,dazerdude/SharpDX,andrewst/SharpDX,VirusFree/SharpDX,manu-silicon/SharpDX,TechPriest/SharpDX,fmarrabal/SharpDX,shoelzer/SharpDX,waltdestler/SharpDX,sharpdx/SharpDX,waltdestler/SharpDX,PavelBrokhman/SharpDX,davidlee80/SharpDX-1,Ixonos-USA/SharpDX,TechPriest/SharpDX,VirusFree/SharpDX,shoelzer/SharpDX,davidlee80/SharpDX-1,andrewst/SharpDX,andrewst/SharpDX,shoelzer/SharpDX,dazerdude/SharpDX