Remove setuptools-git as run time dependency

Remove setuptools-git as a run time dependency since
it is only used to generate a tarball.

Change-Id: I6c48147408e97ab88ede660938e783f6b660746a
Signed-off-by: Chuck Short <chuck.short@canonical.com>
Merge "Remove setuptools-git as run time dependency"
Update import of oslo's processutils.

Brings processutils inline with the current state of oslo.

Change-Id: I6364e1cd732622cefee89be987230da2a9959845