Update git submodules

* Update docs/submodules/integration.git from branch 'master'
  to 61ed36660a4df5de9a22fa7b7d47fd7d4aab3b2c
  - Add helper routine for getting iter range in lifecycle methods

    Change-Id: I3973b7bfd75885bf22154670a6b9f665769470fa
    Issue-ID: INT-1610
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Drop shell wrapper for getting simulators status

    Change-Id: Id7c3c614d472d8ee01533e9bd146f258813e7cbe
    Issue-ID: INT-1606
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Add helper method to get running docker containers names list

    Change-Id: I8346302706d6e896b55d845051fe2de18aaafd16
    Issue-ID: INT-1606
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
  - Add helper method to get simulator instance data

    Superfluous call to 'get_pnfsim_ip' function in simulator.sh
    was also removed.

    Change-Id: Ifd7be4843fe26768f4b86b64e07d2d9479735ad1
    Issue-ID: INT-1606
    Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>

diff --git a/docs/submodules/integration.git b/docs/submodules/integration.git
index c27b77f..61ed366 160000 (submodule)
--- a/docs/submodules/integration.git
+++ b/docs/submodules/integration.git
@@ -1 +1 @@
-Subproject commit c27b77fcd8dff92d9b891c75bff3267931cec35a
+Subproject commit 61ed36660a4df5de9a22fa7b7d47fd7d4aab3b2c