* stable-2.15:
Highlight jinja2 syntax
Highlight Jenkinsfile as groovy
Verify Gerrit changes also on NoteDb
Don't sort messages returned by Jenkins
Fix string formatting in Jenkinsfile
Fix RejectedAccessException during posting checks in Jenkinsfile
Remove unnecessary SCM checkout from Jenkinsfile
Fix expected response code when posting checks in Jenkinsfile
Use basic auth for posting checks
Add Jenkinsfile for verification pipeline
Change-Id: I5f22af9db17fcd2397cf039b33b6d6a446844cdc
d1d07c7699