Simple DB migration wrapper
Updating `learner` model with first/last names
Adding migration script to package
Template/logic updates for first/last name
Minor style tweak that seems to have disappeared
Freeing the 'filter' button
Adding filtering functionality to APIs
Filtering badges
Merge branch 'master' into sign-up

Conflicts:
	static/media/css/core.css
	static/media/less/core.less
Merge pull request #329 from andrewhayward/filtering

Filtering
Merge pull request #324 from andrewhayward/sign-up

Adding first and last names to learner sign-up process
Adding basic claim code confirmation screen
Adding claim model to handle badge claim requests and approval process
Merge pull request #318 from stenington/under-13-claims

Building out claim code process for <13