CLOUDSTACK-4025. NPE observed during VM start.
NPE was hit during VM start because the network it was to be deployed in didn't get implemented - Handling this failure.
CLOUDSTACK-3650: CloudStack scripts fail when running on Jetty because the executable flag is not set on their permissions.
CLOUDSTACK-3782 Data disk size is modified to KB from GB after it is attached to the instance

Signed-off-by: Sateesh Chodapuneedi <sateesh@apache.org>
CLOUDSTACK-2685