Update git submodules

Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 3870652bfc3fc173d86ca689752b6f107e6b92c9
  - Merge changes Icbd134a5,Ida49b505,Ibadabaa0,Ie04fc3ca

    * changes:
      Slight update to Party
      Other half of Common
      Some minor refinement and clean-up of license.
      Slight changes to Business Interaction

  - Slight update to Party

    Added a PartyRole of Vendor to be used as part of license work.

    Issue-ID: MODELING-104

    Change-Id: Icbd134a5a44c0b3b203033e295da5c6d885ac70e
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Other half of Common

    Missed including this in the common commit.

    Issue-ID: MODELING-104

    Change-Id: Ida49b50544775db77af9a464326665e21a7f0b9a
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Some minor refinement and clean-up of license.

    Issue-ID: MODELING-104

    Change-Id: Ibadabaa0f29f47b60862b02ed5ef3e37674b54ee
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Slight changes to Business Interaction

    Made VesEvent a generalization of Notification

    Issue-ID: MODELING-104

    Change-Id: Ie04fc3cacb65216e4c76706594f6d6025189d73c
    Signed-off-by: Kevin Scaggs <ks0567@att.com>