Draft Review Board 2.5 release notes.

Review Request #7677 — Created Oct. 5, 2015 and submitted — Latest diff uploaded

Information

Review Board
release-2.5.x
b9606c6...

Reviewers

This adds a draft of the release notes for the 2.5 final release. This merges
all of the beta/RC release notes together, and includes all changes pushed
since RC1. Currently this has the text content. I'm working on adding
screenshots next.

Built HTML and looked at the output.