Add ability to enable/disable plugin in specific worlds
Added permissions to plugin.yml
Added mychunk.commands.world.* to mychunk.commands.* in plugin.yml
Merge branch 'master' of git://github.com/ellbristow/MyChunk

Conflicts:
	src/config.yml
	src/me/ellbristow/mychunk/MyChunk.java
	src/me/ellbristow/mychunk/lang/Lang.java
	src/plugin.yml
Merge pull request #24 from kierdavis/master

Add ability to enable/disable plugin in specific worlds.