Prefer qemu-system-x86_64 if available

Otherwise on openSUSE 13.2 starting the admin domain fails
due to missing cpu capabilities (since the qemu-kvm binary
is not evaluated correctly by libvirt)
Adding indentation to ceilometer custom proposal
Merge pull request #145 from mjura/sles12-ceilometer-tests

Adding indentation to ceilometer custom proposal
Fixing indention
remove obsolete `CVOL` and change memory variables
mkcloud: allow pre-hooks

usage:
  export pre_onadmin_installcrowbar=$(echo "date > /tmp/hello ; echo something else" | base64 --wrap=0)
Fix error message. There is not susecloud4.
Use space separator in seq.
Merge pull request #137 from dirkmueller/master

Prefer qemu-system-x86_64 if available
mkcloud: Test the packaged state of crowbar-backup

The script fetched some random git state from master instead of
testing what was actually packaged. It makes more sense to gate
on the code we ship rather than the code that is somewhere in git.
mkcloud: Install crowbar-backup again for restore
Revert workaround for bnc#900112, which is fixed
Merge branch 'master' of github.com:SUSE-Cloud/automation into systemd-qemu2

Conflicts:
	scripts/mkcloud