setting up page for Submissions - see #90, #91
Update about.md

I think we just need a simple line linking to the submissions page. How's this?
change to nav to fit Submissions page - see #92
link to Thanks from the footer - see #92
Update submissions.md
Merge pull request #101 from midnightbreakfast/submissions

Launch Submissions page
Merge branch 'master' into smalls