Install usbredir. Install qemu on all centos.
Install librados/librbd from repo for qemu requirements.
Added RHEL repo mirror. Install qemu/ceph stuff.
Include fuse-sshfs and iozone packages.
Since the iozone package is only on the rpmforge repository, add an
rpmforge file to /etc/yum.repos.d

If the kvm group does not exist, add it.

Fixes #4926 and #5325
Signed-off-by: Warren Usui <warren.usui@inktank.com>
CentOS: Package for rgw tests (apache, fcgid, etc...)
Added our googleperftools repo so it can be installed on arm.
Clean old ceph kernels on a weekly basis.
debian: install autobuild key, apt-get update

Signed-off-by: Sage Weil <sage@inktank.com>
smart.pl: Make it a little more sensitive to pending sectors.