make code style in test consistent
Merge pull request #676 from martndemus/code-style

Make code style in test consistent
Move nitpick tabs into dropdown menu
Fix broken build
Simplify footer
Move current assignments into nav bar
Patch null submission temporarily
Do not link to unstarted exercises in nav
Fix broken build
Don't show nav if no current exercises
Flesh out guest so nav doesn't blow up
Make Guest#ongoing an array

I really should not be messing around with code when I'm fried.
Rename confusing nav option
Move language icon
corrected typo (retrained => retained)
first PHP assignment
correct path issue
Merge pull request #678 from wilmoore/start-php

First PHP assignment
Merge pull request #677 from wilmoore/js-bst-typo

corrected typo (retrained => retained)
add some consistency in tests