Update git submodules

Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 93f17b4f2d169221aed8b64d293b788a5e08bf43
  - Merge "support no payload for alacarte deletes"
  - support no payload for alacarte deletes

    Swap to using HTTP Enumerations rather than ints
    Add Unit Tests to Service Instances endpoint
    Add Vnf Tests remove Abstract class
    Clean up usage of abstract classes
    Fix volume and module bean wiring issues
    Add logic to find create request if cloud not in AAI
    Updated network to take in version pathparam
    Additonal refactor of the endpoints
    Add missing license headers to all files
    Clean up public variable usage, move to protected

    Change-Id: Icdbdf78aa6c8af7a30fdff8a5805103f8df9364d
    Issue-ID: SO-2032
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>