Working on diskus extension.

Signed-off-by: crynobone <crynobone@gmail.com>
Remove diskus submodule.

Signed-off-by: crynobone <crynobone@gmail.com>
Add draft diskus

Signed-off-by: crynobone <crynobone@gmail.com>
Add diskus as requirement.

Signed-off-by: crynobone <crynobone@gmail.com>