PUBAPI-882: return appropriate error for ResizeMachine failure for KVM
PUBAPI-882: return appropriate error for ResizeMachine failure for KVM

joyent/sdc-cloudapi,misterbisson/sdc-cloudapi,arekinath/sdc-cloudapi,KrisShannon/sdc-cloudapi,KrisShannon/sdc-cloudapi,misterbisson/sdc-cloudapi,arekinath/sdc-cloudapi,joyent/sdc-cloudapi