Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to d78c7ad1413811e67a4fa0a2bdf8a53a860a4252
  - Merge "Began adding pluging to lifecycle mapping"
  - Began adding pluging to lifecycle mapping

    Began adding pluging to lifecycle mapping metadata to get rid of
    eclipse workspace pom errors/markers

    Issue-ID: SO-2948
    Signed-off-by: Benjamin, Max (mb388a) <mb388a@att.com>
    Change-Id: I78946c59e6aaf440e014ed06e9ff476bac5c2613

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index a90f0e7..d78c7ad 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit a90f0e766ce933d0473d4148269e1caf80a53149
+Subproject commit d78c7ad1413811e67a4fa0a2bdf8a53a860a4252