Create some constants for actions.
Create some constants for actions.

Create some standard action strings for use in various files. For now
just account created and tutorial account created.

tcmitchell/geni-ar,GENI-NSF/geni-ar,charliemeyer/geni-ar,charliemeyer/geni-ar,charliemeyer/geni-ar,charliemeyer/geni-ar,charliemeyer/geni-ar,GENI-NSF/geni-ar,tcmitchell/geni-ar,tcmitchell/geni-ar,GENI-NSF/geni-ar,tcmitchell/geni-ar,tcmitchell/geni-ar,GENI-NSF/geni-ar,GENI-NSF/geni-ar