OSX: Added NSOpenGLCPSwapInterval control.
OSX: Added NSOpenGLCPSwapInterval control.

ming4883/bgfx,jpcy/bgfx,jdryg/bgfx,septag/bgfx,mcanthony/bgfx,ocornut/bgfx,fluffyfreak/bgfx,cyndis/bgfx,LSBOSS/bgfx,0-wiz-0/bgfx,kondrak/bgfx,fluffyfreak/bgfx,0-wiz-0/bgfx,septag/bgfx,elmindreda/bgfx,aonorin/bgfx,septag/bgfx,darkimage/bgfx,janstk/bgfx,MikePopoloski/bgfx,marco-we/bgfx,v3n/bgfx,mcanthony/bgfx,Vertexwahn/bgfx,fluffyfreak/bgfx,Synxis/bgfx,janstk/bgfx,mendsley/bgfx,LWJGL-CI/bgfx,jpcy/bgfx,marco-we/bgfx,MikePopoloski/bgfx,bkaradzic/bgfx,BlueCrystalLabs/bgfx,LWJGL-CI/bgfx,BlueCrystalLabs/bgfx,jdryg/bgfx,kondrak/bgfx,mendsley/bgfx,andr3wmac/bgfx,sergeScherbakov/bgfx,Extrawurst/bgfx,emoon/bgfx,cuavas/bgfx,Synxis/bgfx,0-wiz-0/bgfx,ocornut/bgfx,emoon/bgfx,sergeScherbakov/bgfx,kondrak/bgfx,Synxis/bgfx,jdryg/bgfx,Extrawurst/bgfx,sergeScherbakov/bgfx,marco-we/bgfx,mmicko/bgfx,ktotheoz/bgfx,ktotheoz/bgfx,bkaradzic/bgfx,jpcy/bgfx,aonorin/bgfx,v3n/bgfx,aonorin/bgfx,elmindreda/bgfx,jdryg/bgfx,Extrawurst/bgfx,fluffyfreak/bgfx,mmicko/bgfx,mcanthony/bgfx,LSBOSS/bgfx,attilaz/bgfx,attilaz/bgfx,LWJGL-CI/bgfx,Vertexwahn/bgfx,mendsley/bgfx,BlueCrystalLabs/bgfx,cuavas/bgfx,v3n/bgfx,ming4883/bgfx,cyndis/bgfx,darkimage/bgfx,ocornut/bgfx,andr3wmac/bgfx,elmindreda/bgfx,ktotheoz/bgfx,cyndis/bgfx,cuavas/bgfx,darkimage/bgfx,emoon/bgfx,jpcy/bgfx,andr3wmac/bgfx,janstk/bgfx,Vertexwahn/bgfx,LSBOSS/bgfx,bkaradzic/bgfx,ming4883/bgfx,attilaz/bgfx,LWJGL-CI/bgfx,MikePopoloski/bgfx,mmicko/bgfx,bkaradzic/bgfx