Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 7815bcec2a85b023f3004e698712cea7fed2f94e
  - Merge "Fix a NullPointerException on getting no data from"
  - Fix a NullPointerException on getting no data from
    
    Fix a NullPointerException on getting no data from the Catalog DB.
    
    Change-Id: Ibeb7206f2427104623943f964afff377ca666d28
    Issue-ID: SO-1695
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@us.att.com>
    
1 file changed