* stable-2.6:
Check that patch set is current before doing a rebase
Add trailing period on "This reverts commit ..." line
Documentation: Reverse Proxy Configuration
Fix: push bypass review cannot close change from UI
Fix: 'change_key' of current patchset pushed by 'refs/changes' is still old one.
Update the release notes for 2.6
Conflicts:
gerrit-server/src/main/java/com/google/gerrit/server/git/ReceiveCommits.java
Change-Id: Ie26334c433bc23c8ec47440bbd14c54e6ca8a782
f81f5142eb