Added 'os' attribute to hosts
Base images are only generated for linux hosts (WIP)
Added support for image removal using the image name
Small fixes
Dummy image is OS is different from linux
Skip some actions in the deploy for non linux hosts
Use base image type instead of OS
Actions that must not be done for raw base images
Use snapshots in hosts with raw base images (WIP)
Remove tabs
Import images after creating the networks
Remove VM on deletion
Small fixes
Made VMs from host with raw base images permanent
Do nit delete raw base images on scenario shutdown
Remaining TODOs have been done
Merge branch 'master' into rduran/improve-raw-images-support

Conflicts:
	ChangeLog
	src/ANSTE/Test/t/Suite.t
Start the permanent domains
Merge pull request #17 from Zentyal/rduran/improve-raw-images-support

Rduran/improve raw images support