Fix for enhancement NMS-5876 - Part II

IMPORTANT: DO NOT MERGE THIS ON 1.12

New features:

- Hide password fields (for security reasons)
- Display the Monitor Class
- Display complex XML parameters like PSM or MTM.
Merge remote-tracking branch 'origin/1.10' into 1.12

Conflicts:
	opennms-webapp/src/main/webapp/WEB-INF/jsp/element/service.jsp