Add .rbenv-version to gitignore

Sometimes I check this in, so it's not in my global gitignore.
Add simpleform, autotest gems

Putting autotest in a group so it can be ignored
Add shoulda, factory_girl, mocha

Mixing fixtures and factories for speed & convenience
Update create user form [fixes #37]
Clean up flash messages

Stripped out the #notice and #alert calls in admin.html, not sure where they were coming from.
Move fonts from @import to link tags

Should be less lag this way
Silence sprocket log in development
Merge pull request #63 from whatcould/master

Clean up user#create form, controller, flash messages