Updated git submodules

Project: optf/has master 338ae6819b2e09a362fecf6c867541a1b171c3c8

Fix Sonar coverage report

Added maven-exec plugin to trigger tox and coverage
Modified sonar properties to set the path to reports
Modified .gitignore to add coverage related files
Added test dependency junitxml

Change-Id: I7e4bb5e4b6bc217b9778350c703d864e9f8ef0e2
Issue-ID: OPTFRA-101
Signed-off-by: Dileep Ranganathan <dileep.ranganathan@intel.com>

diff --git a/docs/submodules/optf/has.git b/docs/submodules/optf/has.git
index 19d220e..338ae68 160000 (submodule)
--- a/docs/submodules/optf/has.git
+++ b/docs/submodules/optf/has.git
@@ -1 +1 @@
-Subproject commit 19d220e1f87475ef762ba7f6fb39d4eb18ee4c20
+Subproject commit 338ae6819b2e09a362fecf6c867541a1b171c3c8