Updated git submodules

Project: netvirt stable/boron 368a0b001f1a4a61e7f25ab498f45bac442b4a8a

Added Creative Commons attribution

As is found in the OpenStack templates.  E.g., [1]

[1] https://raw.githubusercontent.com/openstack/openstack-specs/master/template.rst

Note: I believe this is requrired, and will satisfy the copyright
question, but this should be verified.

Change-Id: I8534105578160c8d453712d2e7e92f78ec86f05f
Signed-off-by: Andre Fredette <afredette@redhat.com>

diff --git a/docs/submodules/netvirt b/docs/submodules/netvirt
index 18f52b747558a0430a40a4f0d4beb55a16dfb9a3..368a0b001f1a4a61e7f25ab498f45bac442b4a8a 160000 (submodule)
--- a/docs/submodules/netvirt
+++ b/docs/submodules/netvirt
@@ -1 +1 @@
-Subproject commit 18f52b747558a0430a40a4f0d4beb55a16dfb9a3
+Subproject commit 368a0b001f1a4a61e7f25ab498f45bac442b4a8a