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>
    
1 file changed