Update git submodules

Update git submodules

* Update docs/submodules/modeling/modelspec.git from branch 'master'
  to 780c0e3d8d15228f6df9006ae709608a60ed9243
  - Very slight update to service

    When making an update to common/SelectionCriteria, Papyrus also wanted
    to update Service.

    Issue-ID: MODELING-104

    Change-Id: Ife4141272888ff46be16f1043f95a43bedec5f19
    Signed-off-by: Kevin Scaggs <ks0567@att.com>
  - Updates to Common

    Made updates to SelectionCriteria and ParameterGroups, fixing typos and
    updating stereotypes from experimental to preliminary.

    Issue-ID: MODELING-104

    Change-Id: I6d33eed523c20791ce9df4306b0c232f80ea2619
    Signed-off-by: Kevin Scaggs <ks0567@att.com>