Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 527261b99506f84906f1f72a9103d5d913d92a70
  - Slight update to Vnf

    Slight further update to Vnf for Allotted Resource contribution

    Issue-ID: MODELING-104

    Change-Id: I372ea98c948d66cdeb9eabe8176f66451ff44c90
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Slight update to Common

    Removing a duplicate attribute in license generated an update to common.
    Remember license used to be in common before it was separated.

    Issue-ID: MODELING-104

    Change-Id: I4674757261e2cecf40f0f1f725974379c96cb2f4
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Updates to License submodel

    Made some updates to the license submodel per recent comments from
    Ericsson

    Issue-ID: MODELING-104

    Change-Id: I5beff300d57b9de9659fe9abf6b430217b3a76e2
    Signed-off-by: Kevin Scaggs <ks0567@att.com>

diff --git a/docs/submodules/modeling/modelspec.git b/docs/submodules/modeling/modelspec.git
index 1fd4261..527261b 160000 (submodule)
--- a/docs/submodules/modeling/modelspec.git
+++ b/docs/submodules/modeling/modelspec.git
@@ -1 +1 @@
-Subproject commit 1fd426157cb65e7586ef5230a3065765ede0de2b
+Subproject commit 527261b99506f84906f1f72a9103d5d913d92a70