Update git submodules

* Update docs/submodules/functest from branch 'master'
  - Merge "Remove netready refs"
  - Remove netready refs

    Netready withdrew from E release [1]

    [1] https://lists.opnfv.org/pipermail/opnfv-tech-discuss/2017-August/017453.html

    Change-Id: I456b91e0bb454a4205df98d0e96032302d3b20a6
    Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>

diff --git a/docs/submodules/functest b/docs/submodules/functest
index ad122e8..d49350d 160000 (submodule)
--- a/docs/submodules/functest
+++ b/docs/submodules/functest
@@ -1 +1 @@
-Subproject commit ad122e8a1020a1b6d9ed33df2fd25c3504f84188
+Subproject commit d49350df590caaa3db45c9a201618248d3f92b92