Pier Luigi b29144d350 [CORD-2486] Improve Mcast CLI APIs
It adds following commands:
- sr-mcast-tree which shows the mapping group-tree
- sr-mcast-next which shows the mapping device-next
- mcast-routes which is similar to the unicast command (routes)

It improve following commands:
- mcast-join adds completer and improves output
- mcast-delete adds completer and improves output
- mcast-show improves output and adds completer

Change-Id: I4e273ac23b05142026b6b77317b0c9b7af76c3ec
2018-02-16 11:57:10 -08:00
..
2017-10-20 09:40:05 +00:00
2018-01-09 01:56:13 +00:00