Bug 1875 - Used variables for nexusproxy host, externalized versions

Replaced hardcoded urls to nexus repository with variables.

Change-Id: I168783cd8ffed057ebca030dae04fc682f9cd0af
Signed-off-by: Devin Avery <devin.avery@brocade.com>
Bug-1829:Commit index of follower not changed after Snapshot applied on recovery.

Change-Id: Id2e30f6756e5d71886ddb8ab3f3b095f03352b0a
Signed-off-by: Kamal Rameshan <kramesha@cisco.com>
Merge "Bug 1875 - Used variables for nexusproxy host, externalized versions"
Merge "Bug-1829:Commit index of follower not changed after Snapshot applied on recovery."