s/MEDIAPROXY/RTPENGINE/
MT#9065 daemon: don't restart if kernel is needed but not yet installed

Squashed commit of the following:

commit 29560cc3dca2d5f3220cb2032088035a086bee12
Author: Richard Fuchs <rfuchs@sipwise.com>
Date:   Wed Sep 17 15:15:48 2014 -0400

    fix shell quoting

commit 3085b78377463225c52abc1a7c6d367924c2cb05
Author: Richard Fuchs <rfuchs@sipwise.com>
Date:   Wed Sep 17 13:52:26 2014 -0400

    silence modinfo stderr

commit f275f3dbb1d52113ece74132ac29ae2473b354bd
Author: Richard Fuchs <rfuchs@sipwise.com>
Date:   Wed Sep 17 13:52:09 2014 -0400

    s/MEDIAPROXY/RTPENGINE/

commit ff6b7db25d439eae69f561e71c5dd513cb061e57
Author: Richard Fuchs <rfuchs@sipwise.com>
Date:   Wed Sep 17 11:28:26 2014 -0400

    MT#9065 use modinfo/lsmod to probe for kernel module instead of dkms

commit 7d1841294ec26a5e685675a2bcd861aa3269a3c4
Author: Victor Seva <vseva@sipwise.com>
Date:   Tue Sep 16 20:56:57 2014 +0200

    MT#9065 daemon: don't restart if kernel is needed but not yet installed