Added information about needed OpenAL library in README.md file.
Started MainMenuController. Game is unplayable due to lack of buttons ;-)
Merge branch 'gui-experimental' of github.com:boskee/Minecraft into gui-experimental
Fixes gold ore name and a little cleanup.

And every block need a name for the creative mode.
Game can now be started, as we now have a button. Loads of improvements needed tho.
Fixed item_list sizing
Merge branch 'gui-experimental'
Merge branch 'saving' of git://github.com/Nebual/Minecraft

Conflicts:
	controllers.py
	main.py
Merge branch 'saving' of git://github.com/Nebual/Minecraft
Added Rectangle and Button classes
Added exit button
Use self.batch.draw()
Blocks are now correctly drawn (I guess thanks to 3c52dfd4c796049d44d0f2e7e2ce726453354d7e), so updated TODO
Fixes a spreading bug.
Modified TODO - need to expose blocks under water
Fixes transparency bugs.
Merge branch 'master' of https://github.com/boskee/Minecraft
Removes bottom and side textures of the water block.
Updates world.pxd.
globals: Added LAUNCH_OPTIONS full list of options