Show diff/interdiff links from rbt post output

Review Request #5434 — Created Feb. 8, 2014 and submitted — Latest diff uploaded

Information

RBTools
master

Reviewers

This will add the diff url to the rbt command line after the review request url and it fixes the issue 2929.

I have tested this multiple times on my command line, when posting review request via rbt. I also attached pic about the test case.