CLOUDSTACK-4378 : Fixing the typo in Apache License Text

Signed-off-by: venkataswamybabu budumuru <venkataswamybabu.budumuru@citrix.com>
CLOUDSTACK-4452: Fix the mount format to host:dir

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
CLOUDSTACK-4471. If an instance fails to start then mark the volumes allocated as part of VM creation as removed and set the volume state as destroyed.