Changes for universal scheduler and bug fixes.
Merge pull request #252 from edx/e0d/universal-scheduler

Changes for universal scheduler and bug fixes.
Fix var name for jdk link.
Merge pull request #274 from edx/feanil/jdk_template

Fix var name for jdk link.
run notifier on first util machine only
remove references to forums_digest.sh

File was a vestige of prior code when this was run from cron instead of
celery beat.
Merge branch 'master' of github.com:edx/configuration into sef/notifier-west

Conflicts:
	playbooks/roles/notifier/tasks/deploy.yml
	playbooks/roles/notifier/tasks/main.yml