added the beginnings added implementation of new-style animatables.  cameras broken
tweaking
Added UUID generation to m.defs.js
derp, scale should not default to 0
reworking #52 - refactored the scene graph o____o
bugfix
#55 shader vars prefixed - things mostly work.
#55 - shader vars are now on node.shader - much cleaner
removed unused place holder test spec
#55 animatable tripple buggy implementation
#55 new system mostly works, though some things are still kind of screwy
demo-specific bugfix
demo-specific bugfix
#55 fixed bug where scalejta position and scale weren't present in graph node instances
#55 removed obsolete 'DRIVER' macro.
#55 updated docstrings in m.graph.js to reflect the numerous api changes
#55 made animatable proprety cache invalidation tickless - happens based on timestamps now