Update git submodules

Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 950cbadbcc2376acc44af5595c8f60b68fc26c5c
  - Get the routine name to call with getattr

    Each subcommand has a corresponding method in
    MassPnfSim class hence it can be called directly
    by it's name.

    Change-Id: Id7139a5f96cceac89559bd68d89085130703f4bd
    Issue-ID: INT-1577
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Move CLI options processing to module level

    Change-Id: Ie4c379480e2c641285507173387a770db63458f0
    Issue-ID: INT-1577
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>