Added dispose(), made close() an alias.
Added dispose(), made close() an alias.

It's weird calling entity.close(), so I'd rather see entity.dispose() even
though close() does the same thing for use with things that automatically
handle closeables.

tomfisher/tripleplay,joansmith/tripleplay,joansmith/tripleplay,joansmith/tripleplay,joansmith/tripleplay,joansmith/tripleplay,tomfisher/tripleplay,tomfisher/tripleplay,tomfisher/tripleplay,tomfisher/tripleplay