ONOS-639 SDN-IP tutorial script for IPv6

IPv6 netowrk is advertised.
IPv6 address is used for BGP peering.
Still using IPv4 address for ONOS peering.
*.json files are updated correspondingly.

Change-Id: I8fdac12d2d25b840dcadfb261667a9f98eb9f6be
diff --git a/tools/tutorials/sdnip/configs-ipv6/quagga3.conf b/tools/tutorials/sdnip/configs-ipv6/quagga3.conf
new file mode 100644
index 0000000..7cf7179
--- /dev/null
+++ b/tools/tutorials/sdnip/configs-ipv6/quagga3.conf
@@ -0,0 +1,23 @@
+! BGP configuration for r3
+!
+hostname r3
+password sdnip
+!
+router bgp 65003
+  bgp router-id 10.0.3.1
+  timers bgp 3 9
+  neighbor 2001:3::101 remote-as 65000
+  neighbor 2001:3::101 ebgp-multihop
+  neighbor 2001:3::101 timers connect 5
+  neighbor 2001:3::101 advertisement-interval 5
+  neighbor 2001:3::101 route-map nexthop out
+!
+  address-family ipv6
+  network 2001:103::/48
+  neighbor 2001:3::101 activate
+  exit-address-family
+!
+route-map nexthop permit 10
+  set ipv6 next-hop global 2001:3::1
+!
+log stdout