Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 65b7491238d6c2c33547329220f8932a42b2c42d
  - Updates to Service Stereotypes

    Updated stereotypes on ServiceOrder related classes, attributes, and
    relationships.   Also updated composite/atomic stereotype relationships

    Issue-ID: MODELING-104

    Change-Id: I5105c68c131181b63a61c24a05357f7edeae826a
    Signed-off-by: Kevin Scaggs <ks0567@att.com>

diff --git a/docs/submodules/modeling/modelspec.git b/docs/submodules/modeling/modelspec.git
index c3d5a1c..65b7491 160000 (submodule)
--- a/docs/submodules/modeling/modelspec.git
+++ b/docs/submodules/modeling/modelspec.git
@@ -1 +1 @@
-Subproject commit c3d5a1cc8beab918784defc6fad89e450785de30
+Subproject commit 65b7491238d6c2c33547329220f8932a42b2c42d