Removed unused functions from NetworkElementFactory and improved test
logging in DataLinkInterfaceRestServiceTest.
Removed unused function from SimplerQueuedProvisioningAdapter API.
Changed accesspointmonitor so that it uses a Spring factory to create
PollingContext instances. This should make it easier to do annotation-based
transactions in the APM.
Fixed bug NMS-5645 by updating log messages.
Merge branch 'master' into feature-drools6