do not start the VM after reverting VM snapshot
do not start the VM after reverting VM snapshot

The code is not reliable and the networking is not restored by opennebula

The new workflow to revert from VM Snapshot shoud apply the following three steps instead:

1. Revert from VM shapshot
2. Power-off --hard the VM
3. Resume the VM

Signed-off-by: Anton Todorov <e150cc19eb43409ef4fcf4ffefb16532fb2bc38e@storpool.com>

OpenNebula/addon-storpool,OpenNebula/addon-storpool,OpenNebula/addon-storpool