* stable-3.0:
DeleteZombieCommentsRefsTest: Open RevWalk in try-with-resource
Expose jetty threadpool metrics via dropwizard
Fix editing name & email for service user
Fix accountBelongsToRealm implementation
Fix support for python3 in download_bower.py
Change-Id: I7386a492b9664ed21110d3cb1e12e36b87c88204