Horizon changes for DVR

Feature completed :
1. Admin router panel
   + New "Distributed" column introduced.
   + New Field "Distributed" added on to
     router detail panel
2. Project router panel
   if logged in as "Admin"
   ======================
   + New distributed column introduced.
   + New Field distributed column added on to
     router detail panel.
   + New Router Field dropdown box introduced in
     create router form.
   if logged in as "nonAdmin"
   =========================
   + Router Type dropdown will be invisible for
     non admin.
   + Distributed information will be
     hidden from details panel.

implements: blueprint enhance-horizon-for-dvr

Co-Authored-By: Akihiro Motoki <motoki@da.jp.nec.com>

Change-Id: I995745dd72a8b750866c0977a7d7cf42036f716f
Merge "Horizon changes for DVR"