Rewrite Edit Quiz CSS to use LESS syntax and features, and adjust layout to look better on small screens
Patch Bootstrap to add in a new grid breakpoint at 480px

Taken from:
https://gist.github.com/andyl/6360906
Remove aforementioned patch for now

Keeping it in the history in case I decide to go with it again.
More quiz editor adjustments for small screens
Fix typo in readme
Bring back the Bootstrap patch again, and use it to make the Answer input stack on tiny screens
confirm-button directive: make popover placement configurable
confirm-button directive: make popover placement even more configurable

Also, make adjustments to the delete question confirmation popover placement and sizing for smaller screens.