Updated git submodules

Project: integration/test master 2c16e915507c3011f1e23902706d27a6f681f84f

Make tox run also tidy check

+ Added another action "diff" to tidytool.py
+ Added "tidy" tox environment which run the action.
- Removed "docs" from envlist for now.

Change-Id: Ieaa0b9ef40ecfb60f010109893f4ee55e9c73bfb
Signed-off-by: Vratko Polak <vrpolak@cisco.com>

diff --git a/docs/submodules/integration/test b/docs/submodules/integration/test
index 03fb9f9bc353236277d3fe76ee87b0b07812f64d..2c16e915507c3011f1e23902706d27a6f681f84f 160000 (submodule)
--- a/docs/submodules/integration/test
+++ b/docs/submodules/integration/test
@@ -1 +1 @@
-Subproject commit 03fb9f9bc353236277d3fe76ee87b0b07812f64d
+Subproject commit 2c16e915507c3011f1e23902706d27a6f681f84f