Added Show Links for Interdiffs

Review Request #2810 — Created Jan. 21, 2012 and discarded — Latest diff uploaded

Information

Review Board

Reviewers

Added Show Links for Interdiffs.

When a user uploads a diff, we show a link to the uploaded diff revision. We should also provide a linke to the interdiff, showing what's changed.
User Testing:        Local testing done on Ubuntu 11.10 running Firefox 9.0.1
Integration Testing: Merge branch 'master' into interdiff
Automated Testing:   Tests Passed 470 (18 Skipped)
                     PEP8