bde8ccf22c52f58ab4c38d4a6d62b44fe7e5194f

This is a fix for >10x performance degradation, caused by this JGit change: [1]. In addidtion some minor fixes for base64 patch download and OAuth2 extension point are also included. [1] https://git.eclipse.org/r/31081 Change-Id: Ia9e190b22e1573a3876db2a87198fca9dd7ea01f
Description
RETIRED, Gerrit as used by OpenStack