Update review-dev to 2.4.4.

* modules/openstack_project/manifests/review_dev.pp: Install
http://tarballs.openstack.org/ci/test/gerrit-2.4.4-14-gab7f4c1.war on
review-dev to test the new 2.4.4 patches.

Change-Id: Ie17b9a2c96720892e4140b36c2ebf81fb2f3e058
Reviewed-on: https://review.openstack.org/35520
Reviewed-by: James E. Blair <corvus@inaugust.com>
Reviewed-by: Clark Boylan <clark.boylan@gmail.com>
Approved: Jeremy Stanley <fungi@yuggoth.org>
Reviewed-by: Jeremy Stanley <fungi@yuggoth.org>
Tested-by: Jenkins