Both SetSpeed functions are now overridden by cPlayer
cPlayer overrides the SetSpeedXX functions
Fixed compile error
cEntity::SetSpeed(a_Vector3d) isn't virtualized anymore
Added doxy-comments
Player.h: Moved doxy-comments to Entity.h

Moved doxy-comments to the defining function in Entity.h rather than the overloaded functions in Player.h
Comment for each function (instead of assumed encapsulating comments)
@deprecated tag for ForceSetSpeed()
Merge branch 'master' into cPlayerSetSpeed
Refactored speed-setting to use a common function for all cases.
Simplified speed clamping.
Removed an unused tolua_end and tolua_begin pair.
Merge pull request #1019 from mc-server/cPlayerSetSpeed

cPlayer set speed