adding the two new functions that take a list of switches and links to the mappable interface
adding the two new functions that take a list of switches and links to the mappable interface

opennetworkinglab/OpenVirteX,mgerola/OpenVirteX,gauravsingh0110/ovx_vsdn,mgerola/OpenVirteX,mgerola/OpenVirteX,opennetworkinglab/OpenVirteX,gauravsingh0110/ovx_vsdn,gauravsingh0110/ovx_vsdn,opennetworkinglab/OpenVirteX