Labyrinth of Worlds Code

Test to make sure commit access still works okay

Bullet is overkill and overcomplicated for the needs of LOW;
replacing with a hand-wrought system

Split some machine dependent code

Actuall use the new structure

- Properly factor Video (and I/O), Audio and physics using multiple
inheritance from the Game class.

Convert OIS keysyms to low keysyms and events

Make the Ogre framework more sane and more like Ogre likes it

Initial draft of Ogre version

Clean, things will be moved back as they are fixed

autoreconf; low no longer builds however (API changes, some GCCisms no longer supported (<? and >? operators)