Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 45e9f16c5e66569a7879c6549aef91f9d1899f0f
  - Updates to Common

    Updates to common related to SelectionCriteria, including creation of a
    diagram and moving associations from Service, updates to comments, etc.

    Issue-ID: MODELING-104

    Change-Id: I16d6f72298624002587daeadd2ff029bf7141ee5
    Signed-off-by: Kevin Scaggs <ks0567@att.com>

diff --git a/docs/submodules/modeling/modelspec.git b/docs/submodules/modeling/modelspec.git
index 5744af0..45e9f16 160000 (submodule)
--- a/docs/submodules/modeling/modelspec.git
+++ b/docs/submodules/modeling/modelspec.git
@@ -1 +1 @@
-Subproject commit 5744af0d311a55aa637e2e7dd70f002c316df8de
+Subproject commit 45e9f16c5e66569a7879c6549aef91f9d1899f0f