Update git submodules

Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 3b9450eaa3ee824e558b40c50d7821185a0c51fd
  - Merge changes If11641ab,I98c6e11a

    * changes:
      Slight update to common
      Finalization License Model Draft

  - Slight update to common

    slight updates to common - related to license and slight update explore
    to ParameterGroup

    Issue-ID: MODELING-104

    Change-Id: If11641ab8f8e618a085e6d3421cc946ba1f6149d
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Finalization License Model Draft

    Final updates to draft of license model - ready for review.

    Issue-ID: MODELING-104

    Change-Id: I98c6e11aeb927a098246c3a10c58b25d8b6a18a7
    Signed-off-by: Kevin Scaggs <ks0567@att.com>