Replace harcoded URLs, updated out of date dependencies

1) Replaced hardcoded URLs with nexusproxy variables
2) Replaced out of date dependencies that were hardcoded
   with variables / dependency management.

Change-Id: Iea97ba79a532f5f73f31b80f63e6ef1072291acb
Signed-off-by: Devin Avery <devin.avery@brocade.com>