Fix the close pull requests script.
Fix the close pull requests script.

Fixes bug #1012310

Old version of script didn't appear able to find repos as part of
organizations. Update script to search for the repos under orgs.

Change-Id: I04696152bc3b7ecb63a5704768c27ff796d3ffc9

open-switch/infra_puppet-gerrit,dhiana/puppet-gerrit,dhiana/puppet-gerrit,open-switch/infra_puppet-gerrit,open-switch/infra_puppet-gerrit,dhiana/puppet-gerrit