use react for some builtins
use react components for renderable lists
remove add_rendering
don't expose everything as a context function
more cleanup
Merge branch 'master' into react
need es5 shim for phantomjs
fix react dom use in node
rename renderable list builder
use react for all builtins
remove most side-effects
cleanup
kbd component
fix example highlighting
fix example
broken notebook react
Merge branch 'master' into react

Conflicts:
	test/phantom.coffee
fix component lists
add cell number to fix app tests
promise status component