Admin Filters

Set up filters so only admins can see users#index, and so users can
only #show #edit and #destroy their own user.
Merge branch 'master' into Authentication

Adds a seeds file to properly test admin authentication
Added an admin layer of functionality. Currently you can only make a user an admin through the console.
Merge branch 'master' into Authentication
Merged master into Authentication
just changed the redirect after logout
Merge pull request #9 from STCTbone/Authentication

Authentication Merge to Master