New protos built
Changed user field in player proto to be optional and built java protos.
Merge branch 'master' of https://github.com/djordjev/messages
Merge remote-tracking branch 'origin/master'

Conflicts:
	as3src/communication/protos/AddUnitRequest.as
	as3src/communication/protos/AttackRequest.as
	as3src/communication/protos/AttackResponse.as
	as3src/communication/protos/InvokeAllianceRequest.as
	as3src/communication/protos/MoveUnitsRequest.as
	as3src/communication/protos/MoveUnitsResponse.as
	as3src/communication/protos/TradeCardsRequest.as