Added README and LICENSE, updated gitmodules to point at internal Arm server

Change-Id: I87f193fce28d2de12514da675931813162fa292d
diff --git a/.gitmodules b/.gitmodules
index edbc950..1adb266 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,5 +4,5 @@
 	branch = master
 [submodule "3rdparty"]
 	path = 3rdparty
-	url = ../3rdparty
+	url = http://eu-gerrit-1.euhpc.arm.com/p/VisualCompute/3rdparty
 	branch = master