Update git submodules

* Update docs/submodules/appc.git from branch 'master'
  to cc8ae79f1986f67b113aef27878d7f958d9e2d49
  - Test coverage in ServiceCatalogv2
    
    Increased coverage from 57% to 91%
    
    Issue-ID: APPC-1418
    Change-Id: I0f2b77bdb451d973d631f4c785b65de3bb84f02f
    Signed-off-by: Joss Armstrong <joss.armstrong@ericsson.com>
    
diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 2044c8e..cc8ae79 160000
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 2044c8e6fc9bfd697f5d28daf90c9b4c6d450ec8
+Subproject commit cc8ae79f1986f67b113aef27878d7f958d9e2d49