NOJIRA:  Notification overlay was only applying .properties files
UP-3678:  Update Apereo NotificationPortlet to v. 2.0.1
UP-3681:  Bump bundled NRP to 3.0.5, leverage import, and provide feeds for pre-configured news portlet with tabs
UP-3679:  Merging pull request #116, plus a couple modest tweaks
UP-3685 Fix potential infinate loop in dlm

Add duplicate node check when handling dlm positionSet data, if a
duplicate node is found an exception will be thrown describing the
infinite loop state.