Update git submodules

* Update docs/submodules/music.git from branch 'master'
  to b58e1d3db05aed02b62a557bf14db6ea7b8df5f5
  - Remove zookeeper reference
    
    Test cachingUtil, and other test coverage increase
    Remove unused code
    Rebased ontop of authentication changes
    
    Change-Id: I795a9a90d0863b03cc2a4917d4ff13a0a6fca1cc
    Issue-ID: MUSIC-341
    Signed-off-by: Tschaen, Brendan <ctschaen@att.com>
    
diff --git a/docs/submodules/music.git b/docs/submodules/music.git
index 7c2316f..b58e1d3 160000
--- a/docs/submodules/music.git
+++ b/docs/submodules/music.git
@@ -1 +1 @@
-Subproject commit 7c2316f479f338c4b0fd9a150d8b858cea3b377c
+Subproject commit b58e1d3db05aed02b62a557bf14db6ea7b8df5f5