Added batch file to rebuild all platforms at once
Added batch file to rebuild all platforms at once

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