IF update - 10: updating extended logical interface entries

Updated the #extended #create / #remove routines for #logical #interface framework in IF module. The #agent level #traversal #routines and #mapper routines has been #upgraded for the new data-structure changes. The #interface #admin-status #handler has been adapted for the new changes.

#IF update 10 ...
[commit dd233798e85dc73f6df558fa907e44682278226e] (https://github.com/nes-repo/NES-Open-Switch/commit/dd233798e85dc73f6df558fa907e44682278226e)