282c102ec4eb820769e7d78c90018f4992fa0fb9

Elaborate on the required format of the ref used for Push Merge Commit access right entries to avoid user confusion when granting access to refs/heads/* still doesn't allow them to push any merge commits. Change-Id: Ie98f6e64afff762ed6eb5d04348be7354f657064
Description
RETIRED, Gerrit as used by OpenStack