additional deps for games, thanks mm1ke #78
add multilib flag for nvidia-cg-toolkit on amd64
simpler flash dependencies
new: media-libs/glew-1.6.0
games-meta: added glew dep for painkiller
multilib-keywords update
steam-launcher bump
Merge remote-tracking branch 'upstream/master' into singleebuild
Merge branch 'singleebuild' of https://github.com/mm1ke/steam-overlay into singleebuild