Update bootstrap popovers to fix HTML escaping issue.

This should be short-lived, and we should update the entirety of bootstrap.
Add some top padding to badges in acceptance dialog
Merge pull request #437 from stenington/435-popovers

Update bootstrap popovers
Merge pull request #438 from stenington/433-badge-padding

Add some top padding to badges in acceptance dialog
Add callback to `prepareTesting`
Make `prepareTesting` properly async.
Move testing related db preparation to the test folder.
Convert award-test.js to tap
Rename award test file.
Implement fixture feature of prepareDatabase
Don't hijack tap's `test` method.
Move assertion generator out of lib/utils.js
SERIOUSLY move assertion generator.
Injection of dependencies!!!111
Remove lib/utils; implement random string generator in testUtils
Badge model test converted.
Convert group model test.
Remove converted files.
Convert baker test
Remove fundamentally worthless test.