Remove Logger creation from synchronized block.  Add log messages before and after sync block to determine lock wait times
fix a possible synchronization issue in pendingPollEvent and adjust logging levels
Merge remote-tracking branch 'origin/1.10' into 1.12

Conflicts:
	opennms-services/src/main/java/org/opennms/netmgt/poller/pollables/PendingPollEvent.java