Updated git submodules

Project: appc master 03f48c7ea7de11d7c7d0933a0438afa4280e3bf7

Unit Tests for appc-dg-mdsal-store classes-Part 1

Adding Unit test for
org.onap.appc.mdsal.operation package
https://sonar.onap.org/drilldown/measures/org.onap.appc:appc?highlight=overall_coverage&metric=overall_uncovered_lines&rids%5B%5D=117465&rids%5B%5D=124943

Change-Id: I8c5b08406b5308dcfef1fd71826f9d8bc908e908
Issue-ID: APPC-501
Signed-off-by: amshegokar <AS00500801@techmahindra.com>
Fix in CreateSnapshot

Change-Id: I05fa53bd4573aa4179fd488c617b338d9188f7ad
Issue-ID: APPC-552
Signed-off-by: burdziak <olaf.burdziakowski@nokia.com>
Add coverage for ConfigResourceNode

Change-Id: Ida31164383c01340d47b85d59034882c9206b9a2
Issue-ID: APPC-441
Signed-off-by: kurczews <krzysztof.kurczewski@nokia.com>

diff --git a/docs/submodules/appc.git b/docs/submodules/appc.git
index 818c129..03f48c7 160000 (submodule)
--- a/docs/submodules/appc.git
+++ b/docs/submodules/appc.git
@@ -1 +1 @@
-Subproject commit 818c1290483623a633c14233fa9f672f0ce17e97
+Subproject commit 03f48c7ea7de11d7c7d0933a0438afa4280e3bf7