Edited original editing request specs & began authenticated editing specs
Completed authenticated editing specs
Updated request edit specs and controller to incorporate authentication
Edit button is now only visible to request owner
Edited sign in/out & welcome language to sound smoother
Merge pull request #24 from Lycanstrife/master

Several small stylesheet changes throughout the site.
Edited delete_request spec to include Teacher deleting request
Corrected merge issues in index.html.erb