Use registries for hosting services

Review Request #7786 — Created Nov. 30, 2015 and submitted — Latest diff uploaded

Information

Review Board
release-2.6.x

Reviewers

Hosting services now use Djblets registries for managing the set of
services. The external API remains unchanged. The handling of URL
patterns has also been refactored into the HostingServiceRegistry.

  • Ran unit tests.