Updated git submodules

Project: appc master 31b71128c229a12845e94139108a1696ec26de61

JUnits for SshJcraftWrapper.java connect

-added coverage for connect methods
-extracted channel provider method for connection
-fixed and covered closeConnection method
-reduced number of unnecessary variables

Change-Id: Ibe2b4d0742a0876c2ef18483d93e7510b0b5c7f0
Issue-ID: APPC-523
Signed-off-by: Tomek Kaminski <tomasz.kaminski@nokia.com>


diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index f23a0c5..31b7112 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit f23a0c589f2519947cdeb286a7817bfa20f0b674
+Subproject commit 31b71128c229a12845e94139108a1696ec26de61