mainWindow is available through GetWMInfo
don't clobber the bps_event
enable screen rotation through environment variable AUTO_ORIENTATION
Merge pull request #39 from mordak/syswminfo

mainWindow is available through GetWMInfo
Merge pull request #40 from mordak/sdl_event

don't clobber the bps_event
Merge pull request #41 from mordak/rotate

enable screen rotation through environment variable AUTO_ORIENTATION
PlayBook doesn't handle rotation in the same way as BB10. Add a hack to detect this.
Always post native bps events
Merge pull request #45 from thomasriisbjerg/emulate

Post *all* native bps events to the client app as SDL_SYSWMEVENT events