drop ruby 2.2.2 until bundler issue is fixed
drop ruby 2.2.2 until bundler issue is fixed

projecthydra-labs/geo_concerns,projecthydra-labs/pcdm-geo-models,geoconcerns/geo_works,yulgit1/pcdm-geo-models,projecthydra-labs/pcdm-geo-models,geoconcerns/geo_works,geoconcerns/geo_works,yulgit1/pcdm-geo-models,yulgit1/pcdm-geo-models,geoconcerns/geo_works,yulgit1/pcdm-geo-models,projecthydra-labs/geo_concerns,projecthydra-labs/geo_concerns,projecthydra-labs/geo_concerns,projecthydra-labs/pcdm-geo-models