Only display the output of compileall.py when running verbosely,
otherwise suppress all non-error output.
Signed-off-by: Vincent Fazio <vfazio@gmail.com>
Signed-off-by: Vincent Fazio <vfazio@xes-inc.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>