Merge pull request #11 from cs136/ui-changes

[backend] Added template link + reworked some constants.
removing left/right whitespace margins for the two-column layout
removing projects list from project dropdown (redundant)
Merge branch 'master' of github.com:pinecone/seashell
fixed seashell help/settings/logout resizing glitch
fixing some file list update glitches
clearer console message when we have no tests to run
wording
clearing console when switching questions
cleaned up "red screen o' death"