Merge pull request #11 from prplz/master

Rewrite sounds that were renamed in the 1.7 client
Split the update and create action in ScoreboardScore/UpdateScore packet, closes #10
When removed the value and displayname is not passed to the client, this should actually fix issue #10
add isUsingProtocolHack() to ProxiedPlayer
friendly fire is byte not boolean, fixes #13
Fix weather changing