Update git submodules

Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 937fe44cefb6a749ad39e2e332881b0cf32b7cf1
  - Refactor simulator instances IP setting logic

    Change-Id: I5bd36b364cd033d0d468c81f345be9255e7adb85
    Issue-ID: INT-1577
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Fix services IP addresses naming

    Use formatted string literals to make the code more
    readable.

    Change-Id: I712f887d73c29aacc5766052835f377a63e9eb06
    Issue-ID: INT-1577
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Drop superfluous variables and type casts

    Change-Id: Ic8e9eab90c537584b2c771bdeb59c0b43deb992e
    Issue-ID: INT-1577
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Supress ANSI escape sequences when terminal not detected

    This prevents obscured output when redirecting output to
    a file descriptor.

    Change-Id: Ie56b6f65b1d2adffc69d3f75a9c8f98c0444faa8
    Issue-ID: INT-1577
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>