added filter for 'all' and 'with Image'
some code changes
Merge branch 'biodiv_usergroups' into biodiv_checklist

Conflicts:
	grails-app/services/species/participation/ChecklistService.groovy
	userscripts/migrateChecklist.groovy
back end changes first version having checklist as one of observation in
observation table.
list upload backend changes extending checklist from observation
back end code changes for list upload
1. code changes for activity feed on new checklists
2. observation filter msg changes
3. #observation and #identification in user signature box changed not
show observation without media.
4.setting habitat as all for observation generated from checklist.
5. hiding migrated observation from carousel in species show page.
minor
Merge remote-tracking branch 'origin/biodiv_usergroups' into
biodiv_checklist

Conflicts:
	grails-app/services/speciespage/ObservationService.groovy
Merge branch 'biodiv_usergroups' into biodiv_checklist

Conflicts:
	grails-app/controllers/species/participation/ObservationController.groovy
	grails-app/services/speciespage/ObservationService.groovy
combined search for checklist and observation
Merge branch 'biodiv_usergroups' of github.com:strandls/biodiv into biodiv_usergroups
minor