Update official list of ATC-qualifying projects

* tools/atc/email-stats.sh: Based on a review of current
repositories and subsequent discussion, this catches up the list of
projects used to determine ATC status to reflect the present state
of OpenStack's development. Also, confirmed non-code contributors
will now automatically be added to the output.

Change-Id: I509f4991a664f45cc6c3428e3d8d405668ebc609
Merge "Update official list of ATC-qualifying projects"