Support loading other express apps.
Page and blog support.
Make room for cleanup.
Allow models to be replaced before registration.
Clean up
Track the default theme.
Friendlier tracking.
Clean up
Track previoulsy ignored files
Adding and cleaning.
Move pages and blog to extensions.
Blog support cleanup.
Cleanup package.json file.
Update shrinkwrap
Add repo field.
Testing heroku button.
Use mongolab sandbox.
Prompt for MONGO_URI.
Fix invalid json
Release v0.2.2

This release brought:

* Heroku deploy button support.
* Blog and Pages as extensions.
* Gateways for cash, bank and cheque.
* Few bug fixes.
* Better structure to templates.