gears: add fullscreen support
gears: add fullscreen support

jonnylamb/weston,Tarnyko/weston-xdg_surface_present,mchalupa/weston,Gnurou/weston,giucam/weston,sir-murray/weston,Tarnyko/weston-xdg_surface_present,Fantu/compositor-spice,mchalupa/weston,jonnylamb/weston,Fantu/compositor-spice,Gnurou/weston,kwm81/weston,sir-murray/weston,xorgy/weston,krezovic/weston,eyolfson/weston,udoprog/weston,kwm81/weston,xorgy/weston,eyolfson/weston,udoprog/weston,krezovic/weston,Fantu/compositor-spice,giucam/weston