Fix issues with server authentication when anonymous is disabled

Review Request #2776 — Created Jan. 1, 2012 and submitted — Latest diff uploaded

Information

RBTools

Reviewers

Fix issue 2429 and issue 2430
 * Do not try to connect server if post-review is issued with '--output-diff'
 * Use relative url to get the api info in case the server is behind a reverse proxy, such as nginx