Bug 1097959 - Add THROTTLER_CHECK_PERIOD to detune Throttler

* Add THROTTLER_CHECK_PERIOD element to /etc/sysconfig/watchman to
  allow Operator to set period for checking cgroup counters
Bug 1088623 - Removed unused .uservars directory references
Merge pull request #5418 from jwhonce/bug/1097959

Merged by openshift-bot
Merge pull request #5420 from jwhonce/bug/1088623

Merged by openshift-bot
[Scheduler WIP] Initial implementation
Jobs REST API

Conflicts:
	controller/app/models/pending_app_op_group.rb
[Scheduler] Handling 202 response for 1.8+ rest api version