added topology geometry column & made geotagged images visible on map
Merge branch 'biodiv_usergroups' of github.com:strandls/biodiv into biodiv_usergroups

Conflicts:
	grails-app/domain/species/Metadata.groovy
	grails-app/domain/species/participation/Observation.groovy
	grails-app/services/speciespage/ObservationService.groovy