161 transit - Various quick fixes, but cannot be compiled yet

- Added an utility function to grab the Minecraft directory (was it necessary?)
- Audiotori quick changes SoundPoolEntry interface change stuff
- CCB is set to crash if MLP is installed because I don't have a fix yet
- FootstepsSCP packet blocker prototype fixed (???)
- RenderRelay has some new override abstract method I don't know what it's for
- net minecraft client to net minecraft src
- Session writer rewritten to use the session accessors
- EntityLiving to EntityLivingBase
- LiteMod neutralized

- I need to sleep