Sync openstack-unittest with manual changes
Enable icehouse unit testing

Let's check our mileage.
Provide config for Icehouse:Staging, not Icehouse
Update jenkinsscheme to https
Version recent cleanvm changes

Mostly the added volume backups to /mnt/cleanvmbackup
Use BUILD_NUMBER instead of `date` for cleanvm backup names
Don't forget a proper ending (.raw.gz)
Add raid and bios barclamps
Disable raid and bios barclamps for cloud-4

We so far have it in Devel:Cloud:3 only. Let's see first where this is
heading before adding it to newer products.