[games-engines/residualvm] revbump to enforce update
[games-action/chromium-bsu] initial import
[games-action/supertuxkart] initial import
[games-strategy/hedgewars] initial import

with server support wrt #247114
[games-strategy/hedgewars] no, it doesn't
[games-roguelike/tome4] rm obsolete premake4.lua

It's now in the upstream tarball again.
Merge remote-tracking branch 'upstream/master' into NetMauMau