Update git submodules

* Update docs/submodules/ccsdk/distribution.git from branch 'master'
  to 4b9589a1206f864a492dba84041a34c1fc0298a5
  - Use released versions of maven artifacts
    
    Use released versions of maven artifacts to create docker images
    
    Change-Id: I00e7a589b82282d69a2d6315f9e4652e3c0ea332
    Issue-ID: CCSDK-1563
    Signed-off-by: Timoney, Dan (dt5972) <dtimoney@att.com>
    
diff --git a/docs/submodules/ccsdk/distribution.git b/docs/submodules/ccsdk/distribution.git
index a56617d..4b9589a 160000
--- a/docs/submodules/ccsdk/distribution.git
+++ b/docs/submodules/ccsdk/distribution.git
@@ -1 +1 @@
-Subproject commit a56617de3c395d12fb013de468d14f3a0d769c2a
+Subproject commit 4b9589a1206f864a492dba84041a34c1fc0298a5