Updated git submodules

Project: aai/esr-gui master b8685e914a232b5cd1026b10d341f52f66d63cb9

Update docker tag convention

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

Change-Id: I5d2648bcfeac58218f0bedfa2580938f1b7a04d9
Issue-ID: CIMAN-132
Signed-off-by: Jessica Wagantall <jwagantall@linuxfoundation.org>

diff --git a/docs/submodules/aai/esr-gui.git b/docs/submodules/aai/esr-gui.git
index 7aee06e..b8685e9 160000 (submodule)
--- a/docs/submodules/aai/esr-gui.git
+++ b/docs/submodules/aai/esr-gui.git
@@ -1 +1 @@
-Subproject commit 7aee06eb97b70610172dac3794697d7031158f78
+Subproject commit b8685e914a232b5cd1026b10d341f52f66d63cb9