remove grunt

If someone feels like they want to continue using grunt, an adapter API exists. I would be open to supporting that api, to enable 3rd party adapters. For today though our next choice is a better development experience.
WIP add broccoli
Got the basic ember build command working with broccoli.  Tests / environments / etc. still need to be included, but at least the command does something now.  :)
Merge pull request #23 from seantimm/broccoli

Got the basic ember build command working with broccoli.
Update ember init command name
let the server run forever
extract promise extensions
the resolver is needed to boot the app
remove skeleton index file tempting for now.
extract sequence helper
Brocfile is essentially a node CJS file
template the namespace in more places
fix test loader
misc
Merge pull request #22 from stefanpenner/broccoli

WIP Broccoli
Update README.md
remove old promise instrumentation
ember new changed to ember init
Merge pull request #27 from visualjeff/master

ember new changed to ember init
enabled --help on the cli