mkcloud: Simplify list of nodes generation

This patch replaces a for-loop with just using 'seq' to generate the
list of nodes that are going to cleaned.
qa_crowbarsetup: replace 'perl alarm' with 'timeout'

This patch replaces perl code in a string with timeout command to kill
ssh in case takes longer than 10 secs to finish.
Update following changes in the ceph automation test suite

There's a new clientnode field in the yaml file to update. We can just
use the same node as the radosgw node; this is enough for us.
qa_crowbarsetup: enable sysrq before tempest

This shall help debugging strange hangups during tempest runs.
Add develcloud5 support
mkcloud: use LSB scripts

this works on both SLE-11 with sysvinit and openSUSE-13.1 with systemd
mkcloud: add shutdowncloud target

This allows for a cleaner shutdown of a virtual cloud
e.g. to prepare for a host reboot
Assign more memory to the controller node
Display a summary of the results at the end of the tests

Parsing the current line is not fun.
Source the os-type script in order to have TE_ environment defined
script to launch a new VM for the cleanvm job
qa_tripleo.sh: Adjustments for newer tripleo-ci