MAP-916: Fix bug in creating report results.
MAP-1005: Create IndexViewerHandler.java and move index viewer related calls into it.
Merge branch 'develop' of https://github.com/WestCoastInformatics/OTF-Mapping-Service into develop

Conflicts:
	rest/src/main/java/org/ihtsdo/otf/mapping/rest/ReportServiceRest.java