Updated git submodules

Project: optf/osdf master 70d110ddddf96879a0a68d4a794ba70f770f6a84

Fix Docker image to use the nexus artifacts

Fixed Docker image to use the nexus artifacts
instead of building from source. Added proxy support.
Updated the Docker image version for Casablanca.

Change-Id: If7f6eb206356c5b255804f27949d23ab85068f52
Issue-ID: OPTFRA-301
Signed-off-by: Dileep Ranganathan <dileep.ranganathan@intel.com>

diff --git a/docs/submodules/optf/osdf.git b/docs/submodules/optf/osdf.git
index 443e3ae..70d110d 160000 (submodule)
--- a/docs/submodules/optf/osdf.git
+++ b/docs/submodules/optf/osdf.git
@@ -1 +1 @@
-Subproject commit 443e3ae95abb92c7cd79fa975e0136a1539a5254
+Subproject commit 70d110ddddf96879a0a68d4a794ba70f770f6a84