Added toggle fullscreen key.
Added toggle fullscreen key.

septag/bgfx,marco-we/bgfx,marco-we/bgfx,janstk/bgfx,LWJGL-CI/bgfx,mendsley/bgfx,attilaz/bgfx,fluffyfreak/bgfx,jdryg/bgfx,Extrawurst/bgfx,LWJGL-CI/bgfx,aonorin/bgfx,LWJGL-CI/bgfx,bkaradzic/bgfx,fluffyfreak/bgfx,jpcy/bgfx,ktotheoz/bgfx,sergeScherbakov/bgfx,LWJGL-CI/bgfx,mendsley/bgfx,Extrawurst/bgfx,cuavas/bgfx,ktotheoz/bgfx,andr3wmac/bgfx,kondrak/bgfx,0-wiz-0/bgfx,janstk/bgfx,ktotheoz/bgfx,jdryg/bgfx,Vertexwahn/bgfx,ocornut/bgfx,jdryg/bgfx,mmicko/bgfx,Vertexwahn/bgfx,mcanthony/bgfx,LSBOSS/bgfx,elmindreda/bgfx,attilaz/bgfx,ocornut/bgfx,Synxis/bgfx,BlueCrystalLabs/bgfx,sergeScherbakov/bgfx,jpcy/bgfx,cyndis/bgfx,bkaradzic/bgfx,mmicko/bgfx,jdryg/bgfx,jpcy/bgfx,andr3wmac/bgfx,ocornut/bgfx,cuavas/bgfx,v3n/bgfx,fluffyfreak/bgfx,kondrak/bgfx,bkaradzic/bgfx,sergeScherbakov/bgfx,emoon/bgfx,cyndis/bgfx,BlueCrystalLabs/bgfx,v3n/bgfx,cyndis/bgfx,mcanthony/bgfx,mcanthony/bgfx,0-wiz-0/bgfx,Synxis/bgfx,jpcy/bgfx,BlueCrystalLabs/bgfx,elmindreda/bgfx,fluffyfreak/bgfx,v3n/bgfx,LSBOSS/bgfx,septag/bgfx,MikePopoloski/bgfx,aonorin/bgfx,Vertexwahn/bgfx,emoon/bgfx,mmicko/bgfx,LSBOSS/bgfx,Synxis/bgfx,emoon/bgfx,darkimage/bgfx,MikePopoloski/bgfx,darkimage/bgfx,MikePopoloski/bgfx,septag/bgfx,kondrak/bgfx,Extrawurst/bgfx,attilaz/bgfx,darkimage/bgfx,janstk/bgfx,bkaradzic/bgfx,cuavas/bgfx,marco-we/bgfx,0-wiz-0/bgfx,aonorin/bgfx,andr3wmac/bgfx,mendsley/bgfx,elmindreda/bgfx