strict deps to published versions, removed organic-express-middleware dep.
upgrade to latest organic-angel and adding default scripts for cell management
wip on adding angel scripts for modifying existing stem stack
add general features list to landing page
remove scripts to enable autoloading
add jade-backbone stack upgrade
add ejs-angular preliminary stack upgrade
update readme to showcase latest perks
add _staging mode and default cell.json configuration for release

* deploy/release uses angelscripts-nodeapps