* stable-2.8:
Update replication plugin
Enable creating new branch and push local new commits in one step.
Add Implementation-Vendor default manifest entry
Fix incompatibility between "Rebase if Necessary" and "copy*Score*"
Fix submit rule evaluation for non blocking labels
Set uploader to current user in "patchset-created" event upon rebasing
Guard against diff.mnemonicprefix in commit-msg hook
Conflicts:
gerrit-acceptance-tests/src/test/java/com/google/gerrit/acceptance/rest/change/BUCK
gerrit-extension-api/src/main/java/com/google/gerrit/extensions/api/changes/AddReviewerInput.java
gerrit-server/src/main/java/com/google/gerrit/server/change/ChangeJson.java
gerrit-server/src/main/java/com/google/gerrit/server/git/strategy/RebaseIfNecessary.java
Change-Id: Ie59a530fe2c0fe66244d010e01e3cdf41de150f0