Added _header.erb file
Created sign-up and login features. Still need to create user langing page to test
App can display a users gravatar image
  *logic in _gravatar_image.erb view

TODO
  *Access email for logged in user
  *Include gravatar image on profile page
Renamed users.rb to user.rb and made changes to model file to relfect same change
Merge pull request #4 from nickmeehan/gravatar_branch

App can display a users gravatar image
Added test views for login and landing page for users
Merge branch 'master' into NICK
Fixed sessions bug and created a users path to test to see if users can get into the system
Added prelim styling to page/header/footer
Merge branch 'master' into prelim_layout
Merge pull request #5 from nickmeehan/NICK

User authentication and authorization finished
Deleted users model as it had incorrect naming
Fixed index.erb merge conflict
Merge pull request #6 from nickmeehan/prelim_layout

Prelim layout
Fixed index.erb merge conflict