Protocol 1.7: Added the remaining server-bound packets.
Protocol 1.7: Fixed the Spawn Mob packet.

This should fix #318
ProtoProxy: Fixed SpawnMob packet.
Possible fix for 1.7 pickup spawning
Merge remote-tracking branch 'upstream/master'
Merge pull request #320 from mc-server/1.7pickupsfix

Fix for 1.7 pickup spawning
Merge remote-tracking branch 'upstream/master'