CLOUDSTACK-6214: apply network rules when plug new guest nic to router for the network in Setup state
Conflicts:
	server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManager.java
	server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManagerImpl.java

Conflicts:
	api/src/com/cloud/network/VpcVirtualNetworkApplianceService.java
	server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManager.java
	server/src/com/cloud/network/router/VpcVirtualNetworkApplianceManagerImpl.java
	server/test/com/cloud/vpc/MockVpcVirtualNetworkApplianceManager.java