Update git submodules

* Update docs/submodules/ccsdk/cds.git from branch 'master'
  to 51e888dddedd08ab38e9afb7de961876a6decea7
  - Merge "Designer View css changes"
  - Designer View css changes
    
    Made css changes
    
    Issue-ID: CCSDK-975
    Change-Id: Ia43f8d3952f09b06d83fe863c8841e15618be71c
    Signed-off-by: Arundathi Patil <arundpil@in.ibm.com>
    
1 file changed