samba4, samba-tool command

[tridge at samba.org]

Hi Jelmer,

 > I wonder if there's any reason for the gpo2 command to be named that
 > rather than just "gpo", which makes more sense to me.

I called it gpo2 while building it as a python replacement for
gpo. The idea was that once it had all the features of the gpo
command, then the gpo2 implementation would be renamed to gpo.

This is part of the effort to move all of samba-tool to python.

Cheers, Tridge