CVS commit by andreas: 

- resorting declaration order
- improve docs a bit
- use Q_UINT32 in isPlayer()/isGame(), as the receiver and sender parameters in
  KGameNetwork (thats what these functions are needed for) are Q_UINT32, too.


  M +13 -12    kgamemessage.cpp   1.13
  M +29 -25    kgamemessage.h   1.16