Update travis script for latests glfw
Update travis script for latests glfw

red75prime/gfx,mitchmindtree/gfx-rs,ColinKinloch/gfx,JohnColanduoni/gfx,JohnColanduoni/gfx,alexcrichton/gfx,tempbottle/gfx,tanderegg/gfx,ColinKinloch/gfx,gfx-rs/gfx-rs,bvssvni/gfx-rs,tanderegg/gfx,aepsil0n/gfx-rs,sectopod/gfx-rs,Bastacyclop/gfx,davll/gfx