Update git submodules

* Update docs/submodules/so.git from branch 'master'
  to 02aa744b05f6812d205bef1ad662f02471317533
  - Merge "JUnit tests for RestfulUtil"
  - JUnit tests for RestfulUtil

    Increased junit tests coverage according to Sonar analyses.
    Added missing tests for RestfulUtil.

    Issue-ID: SO-1692
    Signed-off-by: Robert Bogacki <r.bogacki@samsung.com>
    Change-Id: I8744960c0ad3a36ca4c36e23867168bfda5cbd1d

diff --git a/docs/submodules/so.git b/docs/submodules/so.git
index bdb57f7..02aa744 160000 (submodule)
--- a/docs/submodules/so.git
+++ b/docs/submodules/so.git
@@ -1 +1 @@
-Subproject commit bdb57f7e5e53a32a32b5f13a91aac132d37a860e
+Subproject commit 02aa744b05f6812d205bef1ad662f02471317533