Fix edxapp not restarting

(cherry picked from commit 8268bc685add5d0c4ae535ff3090470bf5b756f9)

Conflicts:
	playbooks/roles/edxapp/tasks/deploy.yml
	playbooks/roles/edxapp/tasks/service_variant_config.yml
Merge pull request #6 from mitodl/bdero/additions-fix-edxapp-restart

Cherry-pick: Fix edxapp not restarting