Updated IGameTypes.

--HG--
extra : rebase_source : 84fb06a18c381fd9672ebbc52890f4ee01ef067f
Updated usermessage proto, regenerated.

--HG--
extra : rebase_source : 7f4c9fd24af6502ff6b88f2cc67e0df26eefa047
Updated CSoundParameters and ISoundEmitterSystemBase.