Merge pull request #220 from vuntz/crowbar_join.init.suse-roxy

Add openstack-{keystone,neutron} Should-Start in SUSE init script for crowbar_join
Merge pull request #236 from vuntz/timeout-for-hyperv

Merging in roxy too, see https://github.com/crowbar/barclamp-provisioner/pull/221
Add a SUSE-only crowbar_register utility

This can be used to register a node that was not installed by Crowbar.

This is SUSE-only as support for other OS would probably need some
slight changes to the script to really work. But it should be possible
to do that, provided someone wants to do it.
crowbar_register: Generate addrepo commands with the right URLs

We were hard-coding URLs before, now it should be correct.