Updated git submodules

Project: appc master 19ae78049dff5f6ca5b4fec2e8fa8ded81f30c45

Change parent version to appc snapshot

Changing to the current release snapshot version of
the appc parents instead of the previous release version.
This allows updated changes to parents to be in builds.

Change-Id: I6cec484012c2cb48ee1ea7f10fd058d017f00947
Signed-off-by: Patrick Brady <patrick.brady@att.com>
Issue-ID: APPC-1304

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 2a39d56..19ae780 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 2a39d56162385154469a032739bbaa9e1b138bb8
+Subproject commit 19ae78049dff5f6ca5b4fec2e8fa8ded81f30c45