[#839] downgrade collection to private if it has only member res and that res is being deleted
[#839] downgrade collection to private if it has only member res and that res is being deleted

hydroshare/hydroshare,RENCI/xDCIShare,RENCI/xDCIShare,hydroshare/hydroshare,RENCI/xDCIShare,ResearchSoftwareInstitute/MyHPOM,FescueFungiShare/hydroshare,FescueFungiShare/hydroshare,FescueFungiShare/hydroshare,hydroshare/hydroshare,RENCI/xDCIShare,ResearchSoftwareInstitute/MyHPOM,ResearchSoftwareInstitute/MyHPOM,ResearchSoftwareInstitute/MyHPOM,FescueFungiShare/hydroshare,ResearchSoftwareInstitute/MyHPOM,hydroshare/hydroshare,RENCI/xDCIShare,hydroshare/hydroshare,FescueFungiShare/hydroshare