Update TODO and add a yUML file.
Add models UML and move files to doc.
Update models UML.
Start work on specs.
Write out skeleton for restaurants controller spec.
Write out skeleton for sources controller spec.
Write out skeleton for recommendation group controller spec.
Write out skeleton for user controller spec.
Add sessions controller code.
Update gitignore to ignore vim session files.
Merge pull request #1 from calvinszeto/develop

Merge in updated specs and other small changes.