Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to ac1a59fc6731c6261712eac5bec76816b11d1096
  - Merge "Added Basic Authorization in sending Subscription to VNFM"
  - Added Basic Authorization in sending Subscription to VNFM
    
    Ve-Vnfm (SOL002) Adapter project
    
    Issue-ID: SO-2574
    Signed-off-by: Piotr Borelowski <p.borelowski@partner.samsung.com>
    Change-Id: I819e95c4e212695bc38ab5b7d221be712f87320e
    
1 file changed