refactored code to reduce dependency injections in service classes and
remove circular dependency
refactored to remove circular dependency in utilsService and activityfeedservice
fixed minor errors cropped up as per refactoring service classes
upgraded facebook authentication plugin and storing access_token expires
time
changes for bean creation
Merge branch 'biodiv2.0' into search

Conflicts:
	grails-app/controllers/content/eml/UFileController.groovy
	grails-app/controllers/species/SpeciesController.groovy
	grails-app/services/species/participation/CommentService.groovy
	grails-app/services/species/participation/DigestService.groovy
	grails-app/services/speciespage/ObservationService.groovy
	grails-app/services/speciespage/ResourcesService.groovy
	grails-app/services/speciespage/SpeciesPermissionService.groovy
Schema changes, injection of beans