Updated git submodules

Project: appc/deployment master b4b8bc4aad8ee127344277c800d5a2de88237555

Update docker tag convention

Update docker tagging convention to use:
v0.17.0-SNAPSHOT-YYYYMMDDTHHMMSSZ (for dev images)
v0.17.0-STAGING-YYYYMMDDTHHMMSSZ (for staging images)

Change-Id: Ief04f3efcd54c896ec71ddef053474dff882c488
Issue-ID: CIMAN-132
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

diff --git a/docs/submodules/appc/deployment.git b/docs/submodules/appc/deployment.git
index 44e6a14..b4b8bc4 160000 (submodule)
--- a/docs/submodules/appc/deployment.git
+++ b/docs/submodules/appc/deployment.git
@@ -1 +1 @@
-Subproject commit 44e6a14e59209bb03ea9fe48343f67cae591bd2f
+Subproject commit b4b8bc4aad8ee127344277c800d5a2de88237555