Decompose gunicorn related stats to individual service stats. Add new
and missing services to config file.
Functional tests completed by Mathieu Godin.
Change-Id: Ifcb81aa82a57c2a414fb99d43afc856a07d3846d
Story: 2002895
Task: 22858
Signed-off-by: Tee Ngo <tee.ngo@windriver.com>