Reroute main index page to application controller

* Remove home controller
* Index page now routes to application controller
Change 'session' to 'sessions'

* Pluralize controller name
* Pluralize routes
* Pluralize view name
Change 'user' to 'users'

* Pluralize controller name
* Pluralize routes
* Pluralize view name
Update README

* Edit team member names
* Strike MVP features not yet completed
Add newlines to each line
Remove explicitly named route for users#new
Add routes for questions

* Create create/read routes for questions controller
Merge pull request #1 from wh1tney/all-questions

Create consistent naming across views and controllers