update url helper methods for group actions
update url helper methods for group actions

geoiq/digitalgazette,adammck/crabgrass,geoiq/digitalgazette,ajturner/crisiscommons,riseuplabs/crabgrass,geoiq/digitalgazette,riseuplabs/crabgrass,ajturner/crisiscommons,riseuplabs/crabgrass,geoiq/digitalgazette,adammck/crabgrass,riseuplabs/crabgrass,ajturner/crisiscommons,adammck/crabgrass,riseuplabs/crabgrass,riseuplabs/crabgrass,ajturner/crisiscommons,adammck/crabgrass,riseuplabs/crabgrass