Dropping `organisation` model - no longer needed
Moving DB syncing to external script
centered copyright text
updates to homepage

https://github.com/mozilla/CSOL-site/issues/116#ref-pullrequest-13402271
updated filter menu and icons
Template and styles for single activity
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
`error` seems a little more appropriate here
Being particular
Exiting properly
Merge pull request #252 from andrewhayward/error-handling

Merging error handling, with the caveat that @stenington will fix the tests that this will break.
Merge pull request #250 from coryshaw/master

Template Updates
Updating tests to pass with new error handling, and
fix issues uncovered in the process.