old/base: new __.load(), used instead of __main.  use '__' prefix for 'global' deps
old/base: added version of class stuff that I've been using on sites to get by until 'require' stuff is ready
animationqueue: use class system
animation/animateTransition: use class system.  determine if 'doMultistep' is needed based on 'stylesTransition' value.  use pubsub for before and after events.  several interface changes