Working on a fix for texture pack loading. Also fixed singleplayer not launching properly, and fixed EXT_ADD_PLAYER_NAME throwing warnings.
Fixed a few issues in texture pack loading -- a few more to go.
Rewrote TextureManager.load() for better readability/reliability/performance. Fixed texture pack loading. Fixed letter spacing in custom fonts.
Marked EmoteFix CPE extension as supported. Removed some debug code. Fixed CPE-related warnings not being raised in PacketHandler.
Merge pull request #304 from fragmer/master

Fixed texture pack loading, singleplayer launching, and several other bugs.