Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 8819fe2cfdad1b1f72bc67fd5dffd7c68ec7944b
  - Merge "make sure maven plugins only run when we want"
  - make sure maven plugins only run when we want
    
    make sure maven plugins only run when we want
    
    Issue-ID: SO-2972
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I5fe1b4836f597cf6bda5fee02ca6c234c7917f33
    
1 file changed