minor fixes and updated leaflet plugins to fix fullscreen problem
removed isShowable=true condition from species groups chart also
msg wording changed.
Sending mail only to founder and expert on any activity on usergroup.
ajaxified speciesgroupcount chart load and considering all obvs in in
search page also
Merge branch 'biodiv_usergroups' of github.com:strandls/biodiv into biodiv_usergroups
Merge branch 'biodiv_usergroups' into biodiv_checklist

Conflicts:
	grails-app/services/species/participation/ActivityFeedService.groovy
	grails-app/services/speciespage/ObservationService.groovy