Fix split_rule_collection
Remove an unused method
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Add spec for Vnet::Helpers::SecurityGroup
Add require 'ipaddress'
Ipv4 prefix should be 0 when ipv4 address == 0
Pass ip_lease_id to catch_new_egress instead of mac_lease_id
Refactor vdc_vnet_plugin.rb
Add a case that process InternetSecurityGroup event
Remove unnecessary debug message
Update destroy_entry
Merge pull request #232 from axsh/feature-vdc-plugin-security-group

Feature vdc plugin security group