registerElement
reactive attributes in renderbuffer
fix empty Component using Component.create()
uncomment "Each" component (needs rewrite)
"Each" wip
fix so it runs
WIP XXX
functional Each component
spacebars code gen wip
more spacebars WIP
template parser tests
spacebars compiler minus components and helpers
fix empty interpolation
compiler unit test harness
towards helpers
Annotations for linker and proper dependencies
begin attempt at Component/template joint def
comments about template init
start of helper code gen
implement Spacebars.{index,call}