Update the 2.0 RC 3 release notes for the Djblets changes.

Review Request #5783 — Created May 8, 2014 and submitted — Latest diff uploaded

Information

Review Board
release-2.0.x
13a0ea9...

Reviewers

The release notes were lacking some of the more key changes made to
Djblets. This updates them to include those changes as well.

Built the docs.