Feature #3175: Move SecurityGroups.rb to top vnm remotes dir
Feature #3175: Extract IPNetmask to its own library
Feature #3175: FILTER_IP_SPOOFING and FILTER_MAC_SPOOFING must be set to "YES" (and not just any value) in order to be applied.
Feature #3175: Function that returns true if the VM has deprecated firewall attributes
Feature #3175: Call the new SG driver from the ebtables and 802.1q driver