Markos Chandras 377e199605 Redirect mkisofs and genisoimage stderr/stdout to /dev/null
mkisofs --help and genisoimage --help use stderr to print the
information. However, we only redirect stdout to /dev/null and as
a result of which there is a lot of unnecessary noise in the Ansible
output. We fix this by redirecting both stderr and stdout to /dev/null

Change-Id: I06c169140a187f11b8ba1e5dbdb2e949d7db7d48
2016-09-26 15:18:02 +01:00
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