Updates in the contributing doc, add context and detail.

overview/contributing.rst
-------------------------
  - Remove inative email addresses.
  - Added links and detail in Steps to successful PRs
  - Fixed a few document references that were literal or not resolving.
  - Update ONF contacts for topics.

Change-Id: Id01c982bb82604575536ab7a341bdc6a7cf9580d
diff --git a/bandwidth-profiles/bandwidth-profiles.rst b/bandwidth-profiles/bandwidth-profiles.rst
index 6fe7661..f4f72cc 100644
--- a/bandwidth-profiles/bandwidth-profiles.rst
+++ b/bandwidth-profiles/bandwidth-profiles.rst
@@ -1,5 +1,5 @@
 Bandwidth Profiles in VOLTHA
-=============================================
+============================
 
 This document describes Bandwidth profiles format in Sadis, how they are configured to VOLTHA and
 how they are mapped to physical configuration for the OLT and the ONU with Traffic Descriptors
@@ -154,5 +154,3 @@
 
 Please note that the values for the elements in the Traffic Descriptor ME are in Bytes/second so a conversion from the
 kilobits/second of the Sadis representation is done by multiplying the values by 125 (kbps --> bps --> Bps).
-
-