Save Applications to database

new Application model and form error handling
Add Organization association

This way we can track from whence an organization originated
Add validation flag to application

Add a flag to application and send an email to the address that was
entered.

Uses the existing secure_key from accounts to grant one-time access to the verification.  Most likely will request
addtional information at this step later.
Admin interface for managing applications
Backbone view and model for applications
CSS for admin application management

This changes assets to use a wild-card for conciseness