Merge pull request #4 from Xyresic/master

Add image
Merge pull request #5 from Xyresic/master

apparently somehow style.css wasn't updated
Number of available seats on ride detail page was calculated incorrectly.
Merge branch 'master' of https://github.com/csci-491-ride-book/rsbs
Wasn't thinking, real fix for seats is in.
Create license
Users page up
Merge remote-tracking branch 'origin/master'
might as well add the delete rides