CLOUDSTACK-1682. DOC. Document reset root volume on VM reboot.
Fix volumes tests

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
Fix redundant router deployment tests

Signed-off-by: Prasanna Santhanam <tsp@apache.org>
Fix VPC test

Signed-off-by: Prasanna Santhanam <tsp@apache.org>