Updated git submodules

Project: appc master 18bb0ee6a5865f65be15374813ecb88672fc1c28

Refactor ArtifactHandlerNode

* replace user-mock with Mockito mock
* fix typos

Change-Id: Ibc86177c024e5a5e7eec8cf8dd3e49d9a6d1ede4
Issue-ID: APPC-397
Signed-off-by: kurczews <krzysztof.kurczewski@nokia.com>
Change log message for Restart action

Issue-ID: APPC-430
Change-Id: Ib9be5dade18e6b66f1409f64f9cba84429219231
Signed-off-by: Skip Wonnell <skip@att.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 442e579..18bb0ee 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 442e579d63a7d2034a1595a97503046ea2181c29
+Subproject commit 18bb0ee6a5865f65be15374813ecb88672fc1c28