Added Octokit gem
Added current_user method on ApplicationController
Refactoring of SessionControllers to redirect the callback to the dashboard page
Added get_current_user_repos and get_selected_repo_branches to PagesHelper
Added notice for debuging the user session state
Refactoring of Home page to have oauth instead of user input fields
Added omniauth config
Added dashboard route
Added User Model
Created Dashboard page
Added PagesHelper tests