Installed Simple Forms

I installed simple forms to allow us to edit the user registration and
session forms to comply with tests.
Modified the users factory

I modified the users factory to properly add and email attribute and
fill out sign up forms correctly in integration testing.
Fixed spelling and other mistakes in integration testing

Just some spelling mistakes
Added a root route

I added a root route to the config.
Made some config changes

I switched development mail delivery to testing mode to prevent smtp
connectivity errors while developing, and I added a line in
application.rb to be compliant with Rails 4
Added Login and Logout to views

I added a login and logout link to the applicaiton layout and removed
an old erb file that has since been replaced with a haml file.
Added username presence validation

I added username presence validation to prevent blank usernames.
Added email to devise sanitized parameters

I added the email parameter to the devise sanitized parameters to fix a
bug with sign up.