Updated git submodules

Project: aai/esr-server master d9c337fb3307087751d5027b52ce231d17f24a66

Update docker tag convention

Update docker tagging convention to use:
$VERSION-SNAPSHOT-YYYYMMDDTHHMMSSZ (for dev images)
$VERSION-STAGING-YYYYMMDDTHHMMSSZ (for staging images)

Change-Id: Ic9181f35ef4b7311b7370135990bf33f9037be58
Issue-ID: CIMAN-132
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

diff --git a/docs/submodules/aai/esr-server.git b/docs/submodules/aai/esr-server.git
index b23815f..d9c337f 160000 (submodule)
--- a/docs/submodules/aai/esr-server.git
+++ b/docs/submodules/aai/esr-server.git
@@ -1 +1 @@
-Subproject commit b23815f098b752259f8a3a16ff925da60e2a0d85
+Subproject commit d9c337fb3307087751d5027b52ce231d17f24a66