basic page structure, including nav
sponsors and first section of content
building out the structure of the page body
fleshed out body structure
added opentrails mobile image
added a second registration call to action toward bottom of page
added background photo
darkened the background photo and reduced size
darkened the header photo even more
removed quite a bit of content, and tightened up styles
changed class back to course in title
added eventbrite links, took out footer links, fixed Covert typo
Merge pull request #7 from opentraildata/course

Merging the first pass of the course pages for review and updates.