Add release notes for RBTools 0.7.1.

Review Request #6903 — Created Feb. 4, 2015 and submitted — Latest diff uploaded

Information

RBTools
release-0.7.x
a7f8491...

Reviewers

This covers all the fixes and improvements going into RBTools 0.7.1.

Built the docs and looked through them.

No new errors when building.