added a welcome show view, added a show method to the welcome controller, changed our root route to the welcome show route
added before action to authenticate users before they see the 'logged in' view
Merge pull request #27 from Mathdrquinn/master

Styling, let me know if you'd like to change
Merge pull request #33 from bjlinville1/master

Created a view so you can build a "logged out" view
log in now works on homepage