Updated git submodules

Project: appc master abb2c4d57e885e1e22bddb6734883309666783f7

Sonar fixes in RestServiceNode Part2

Additionally lesser changes in
JsonParsingNone and FlowGenerator

Change-Id: Id4a31df9c3c902d33522114c7e2d82654e60a352
Issue-ID: APPC-525
Signed-off-by: wejs <maciej.wejs@nokia.com>


diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 8408830..abb2c4d 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 840883031392a45d57f3c30ac44cbd92a0053164
+Subproject commit abb2c4d57e885e1e22bddb6734883309666783f7