Merge pull request #11 from Jonty800/master

Blockselectionscreen update
added water/lava/admincrete to allowed blocks

Signed-off-by: andrewphorn <andrewphorn@gmail.com>
Merge branch 'master' of https://github.com/andrewphorn/ClassiCube-Client

Conflicts:
	src/main/java/com/mojang/minecraft/SessionData.java