Add schema for claim codes.
Add model for claim codes.
Create and list claim codes.
Can claim a claim code.
Take into account multiuse claim codes.
Can make a new random claim code.
Minor test refactoring.
Fix typo'd route.
Can delete claim codes.
Can use claim codes when awarding badges.
Update package.json
Flip conditional for early return.
Fix claim codes test.
Switch from Q to bluebird
Use some promises in badgekit-instance.js
Remove unnecessary event emitter from test-webhook-server.js
More promising.
Remove unnecessary `concats`
Remove unused function, rename variable.
Also don't need hash.