gmod_src: Added breathing animation

Revision 778
Added breathing animation
[Lua] Fixed Player:IsSpeaking not always returning properly for local player
[Lua] Added Player:AnimSetGestureWeight( channel, weight )
Changed Files:
[ul]
[li]trunk/src_garrysmod/game/client/garrysmod/c_gmod_player.cpp [/li][li]trunk/src_garrysmod/garrysmod/Objects/lua_player.cpp[/li][/ul]

Committed By Garry Newman