Revert "Bug 891689 - New HA regularly shutting down active node"

This reverts commit r1449832, the commit comment did not include
a QPID JIRA number. A corrected version of the commit follows...

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1449869 13f79535-47bb-0310-9956-ffa450edef68
QPID-4600: New HA regularly shutting down active node

qpid-primary script was incorrect and failing on status calls,
causing the broker to be restarted by rgmanager.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1449870 13f79535-47bb-0310-9956-ffa450edef68