Fix for NMS-6164 - Exceptions due to empty MAC Addresses on provisiond.log
begin some work on making the requisistion editor an angularjs app
Fixed small typo in SNMP collection UI s/unsafed/unsaved/
Revert "begin some work on making the requisistion editor an angularjs app" accidentally commit to wrong branch

This reverts commit d1131ac0f6eff467e17584fb55664b36b9814fc3.
Merge remote-tracking branch 'origin/1.12' into space/13.2

Conflicts:
	features/vaadin-snmp-events-and-metrics/src/main/java/org/opennms/features/vaadin/datacollection/SnmpCollectionPanel.java