Set up gear button HTML, CSS, and test scaffolding
Minor CSS clarity tweaks
Get CSS and menu working
Misc CSS cleanups
More CSS cleanups
Remove dev scaffolding; hide menu for now
Change placeholder id for clarity
Change gear tooltip based on review comments and discussion with Boriss
Merge pull request #329 from dmose/gear-menu

Adds (currently hidden, but soon-to-be-needed" gear menu, r=@ametaireau