Upgrade ruby to 2.3.6 -- security fixes, etc.
Upgrade ruby to 2.3.6 -- security fixes, etc.

kgf/lims,houhoulis/ReadyResponder,ReadyResponder/ReadyResponder,kgf/lims,houhoulis/ReadyResponder,kgf/lims,ReadyResponder/ReadyResponder,houhoulis/ReadyResponder,ReadyResponder/ReadyResponder,houhoulis/ReadyResponder,kgf/lims,ReadyResponder/ReadyResponder