MAP-854: Index Viewer mojo processing, related rest services and initial widget framework.
MAP-854: Index Viewer config.properties updates
MAP-854: Quicker pages loads, following links, navigating search results, switching domains, search properties in config files.
MAP-854: all flag, page indicator, fix scrolling when not switching pages
MAP-854: index viewer on new dashboard/new tab, dynamic icon to open index viewer only shows if index viewer exists for project, help page
Merge branch 'feature-MAP854' into develop

Conflicts:
	jpa-services/src/main/java/org/ihtsdo/otf/mapping/jpa/services/ContentServiceJpa.java
	webapp/src/main/webapp/js/widgets/mapRecord/mapRecord.js
MAP-854 : Index Viewer