Improve cage backgound tiles.  Some room changing logic.  Kage returns to living roomafter 1800 steps.  Prototype for brief introduction.
Merge branch 'master' of https://github.com/joethered/Introversion-Game
graphical, gameplay and sound improvements to kage.  Going into imagination fast forwards clock 15 min.  First imagination is kage, then contrain, then it's random.  Maybe other stuff.