Added alpha test texture.
Added alpha test texture.

attilaz/bgfx,mendsley/bgfx,MikePopoloski/bgfx,MikePopoloski/bgfx,Synxis/bgfx,LWJGL-CI/bgfx,andr3wmac/bgfx,mmicko/bgfx,Synxis/bgfx,attilaz/bgfx,aonorin/bgfx,bkaradzic/bgfx,andr3wmac/bgfx,jpcy/bgfx,jdryg/bgfx,Synxis/bgfx,attilaz/bgfx,mendsley/bgfx,jdryg/bgfx,bkaradzic/bgfx,jpcy/bgfx,MikePopoloski/bgfx,fluffyfreak/bgfx,fluffyfreak/bgfx,septag/bgfx,fluffyfreak/bgfx,andr3wmac/bgfx,septag/bgfx,elmindreda/bgfx,elmindreda/bgfx,aonorin/bgfx,bkaradzic/bgfx,fluffyfreak/bgfx,septag/bgfx,v3n/bgfx,jpcy/bgfx,LWJGL-CI/bgfx,jdryg/bgfx,emoon/bgfx,mmicko/bgfx,elmindreda/bgfx,emoon/bgfx,LWJGL-CI/bgfx,v3n/bgfx,aonorin/bgfx,bkaradzic/bgfx,emoon/bgfx,jdryg/bgfx,mmicko/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,mendsley/bgfx,v3n/bgfx