Add section about configuring the devise modules on the user model
Add Pow config files to gitignore
Update content towards new base state
Revert the changes to the links and index page

In order to tag the base-state of the app we need to roll back
some of the changes that were made to make it operational.
Add omniauth to Gemfile
Add oauth initializers to devise config
Configure user model
Add oauth callback support and add live links
Add new oauth fields to user model
Add route for logged-in user dashboard
Add plumbing for new dashboard route for logged-in user
Activate top nav bar on home page
Merge branch 'master' of https://github.com/whazzmaster/omniauth-on-rails