Fix split_rule_collection
Remove an unused method
Comments may end withiout a line sparetor
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
Added pre-install/uninstall method to event helpers.
Add route to active network and route link hashes during initialization instead of pre_install.
Renamed active_*_pre_uninstall.
Added missing events for route creation/deletion.
Merge pull request #234 from axsh/fix-active-routes

Fix active routes
Fixed the parameters for ip_lease.
Merge branch 'master' into feature-vdc-vnet-global-nat

Conflicts:
	vnet/lib/vnet/plugins/vdc_vnet_plugin.rb
Fixed a mistake in hash