Use Djblets' dynamic config pages for account pages

Review Request #7828 — Created Dec. 24, 2015 and submitted — Latest diff uploaded

Information

Review Board
release-2.6.x

Reviewers

Account pages now use the ConfigPageRegistry and
DynamicConfigPageMixin from Djblets instead of using custom logic.
The external API has been kept the same, but it has been rewritten to
use Registry methods instead. Unit test logic has been updated to
check for the right exceptions.

  • Ran unit tests.