added SystemExecuteMonitor and depricated GpMonitor
SystemExecuteMonitor :: added  variable in addition to  to improve compatibility with the old GpMonitor
Fix for support customer using old OutageModel class in a modified JSP.  Improves
SQL for several of the queries.
NMS-6163 (http://issues.opennms.org/browse/NMS-6163)
Fix for NMS-6164 - Exceptions due to empty MAC Addresses on provisiond.log
Merge remote-tracking branch 'origin/1.12'

Conflicts:
	opennms-services/src/test/java/org/opennms/netmgt/poller/monitors/SystemExecuteMonitorTest.java
	opennms-util/src/main/java/org/opennms/core/utils/InetAddressUtils.java