Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to e043e68a8cf1bd4bcf4e4717a5bfe7a7edb2a9a0
  - Merge "Use env var to determine debug logging appender"
  - Use env var to determine debug logging appender
    
    use env var to determine debug logging appender
    
    Issue-ID: SO-2791
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I8aee6b28a789bc91137d10914673f7b51a74617a
    
1 file changed