Only show confirmation tick if password is good.
Remove migration warning code from login view.

The dates have passed, so this is now redundant.
Remove migration warning email task.

This has been run, so can now be cleaned up.
Refactor password strength indicator code

Splitting handling of the password and password strength confirmation indicators
over-complicates the code. This change exposes all 'events' to both indicators.
Password strength indicator: bugfix

.. don't show a tick when the password is acceptable and the
password confirmation is empty
Debounce password strength indicator

The test_helper change is necessary because the debouncing introduces
timing issues into the JS and the `#has_no_content?` method actually uses
the Capybara wait/retry functionality (and `#has_content?` doesn't).
Merge pull request #220 from alphagov/password-confirmation-fix

Only show confirmation tickbox if passphrase is good.
Merge pull request #221 from alphagov/cleanup_migration_warning

Cleanup Platform1 migration warning code

https://www.pivotaltracker.com/story/show/67979828
Merge pull request #222 from alphagov/remove-password-migrations

Remove old password migration code
Do not accept current password as new password