Clean up cgmath stuff
Clean up cgmath stuff

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