Edits of README-omni.txt
Edits of README-omni.txt

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