Updated git submodules

Project: appc master 18c1a161549206205bca4e8a33b56618a598d607

added test cases to TestWorkFlowRequest.java

to increase code coverage

Issue-ID: APPC-1086
Change-Id: Ic13af8abd0b984111cec2b8b4c822ea0f85c6286
Signed-off-by: Sandeep J <sandeejh@in.ibm.com>


diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 7548445..18c1a16 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 754844549a9c4dc30a5661d6de96b515439dcf3d
+Subproject commit 18c1a161549206205bca4e8a33b56618a598d607