Try again to fix the close request script.
Try again to fix the close request script.

Fixes bug #1012310

Seems github won't let you request an issue if issues are disabled
on a repo. So attempt to get around this by creating an Issue object
derived from a pull requests URL. Then comment on this issue object.

Change-Id: If64640ebc1d86d86360e5657f4245541620fcebb

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