Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to 71c17fc5f279a598526a2798dc15e040a753fef6
  - Test coverage for DesignServiceProvider
    
    Add 100% coverage for class
    
    Issue-ID: APPC-1436
    Change-Id: I7e20fa92e5d6b16f7b3c791538464575024fefc5
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index dc42332..71c17fc 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit dc42332ba107da5ca91d0b831ed0870d2bfc8949
+Subproject commit 71c17fc5f279a598526a2798dc15e040a753fef6