Added ability to switch between default of 'GENI 3' and 'ProtoGENI 2' via --ProtoGENIv2.
Added ability to switch between default of 'GENI 3' and 'ProtoGENI 2' via --ProtoGENIv2.

tcmitchell/geni-tools,GENI-NSF/gram,GENI-NSF/gram,tcmitchell/geni-tools,GENI-NSF/gram,ahelsing/geni-tools,ahelsing/geni-tools,plantigrade/geni-tools,plantigrade/geni-tools