Updated git submodules

Project: so master 527b15d23fe447cbf72eb3548038f901bee0fb89

Remove PowerMockRunner

Did you know that using @RunWith(PowerMockRunner.class) makes tests count 0 lines of coverage in Sonar?  I didn't.

Change-Id: I5c8fae2d0a329866e9c35a7c85344d368af4ad76
Issue-ID: SO-489
Signed-off-by: Arthur Martella <amartell@research.att.com>

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index 543324f..527b15d 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit 543324f84b6bc11fa0dcda6ae5de932e77cec2ff
+Subproject commit 527b15d23fe447cbf72eb3548038f901bee0fb89