Dictionary functionality, for usernames/passwords
Generating usernames and passwords
Moving token completion to model
Styling metered password inputs
`@orange` has become not so orange - fixing
Generating usernames and passwords
Removing parent/guardian sign-up process

Token sign-up still remains, but somewhat refactored
Validating normalised username
Removing some of the more negative/strange options
Updating package.json version to match latest tagged version
0.9.0
changed levelup to challenges, dumped copy without styling into the page, added up, modified readme to include openbadger config
Merge pull request #259 from mozilla/challenges-change

Revise Challenges
merging andrew's branch
Merge remote-tracking branch 'origin/master'
This change allows the api paginate method to pass through empty
data, and introduces a no_data block into the templates to render
a message when no data is found on the badges or programs pages,
instead of erroring out.
Merge pull request #260 from stenington/no-data

"No data" messages for /earn and /learn
implemented copy for landing page + footer. fixes #185
added copy for learn page. fixes #186
implemented learn-detail page copy fixes #189