Gerrit review tree viewer
Fetch open reviews from review.openstack.org and display them
as a plain text tree. Makes it easy to see which reviews depend
on other reviews, so you can focus on the head of a chain first.
usage: gtree.py [-h] [--project PROJECT] [--baseurl BASEURL] [--merged]
optional arguments:
-h, --help show this help message and exit
--project PROJECT
--baseurl BASEURL
--merged show merge counts broken down by owner