Update git submodules

Update git submodules

* Update docs/submodules/portal.git from branch 'master'
  to a6d3a0bc546d86a723611f12d18642b599dd2a11
  - Merge changes I8f2a44e8,I1e483f2a,Ie2473ea0,I1abb5025,I796bc731, ...

    * changes:
      mysql-connector-java to mariadb-java-client change
      UserRolesController up + tests
      WidgetsController test coverage up
      Tests coverage up and some minor bug fixes
      Tests coverage up and some minor bug fixes
      WidgetsCatalogControllerTest up
      docker-compose fix
      WidgetMSController and WebAnalyticsExtAppVersionController Up
      Login fix
      pom.xml fix

  - mysql-connector-java to mariadb-java-client change

    plus changes in services and controllers

    Issue-ID: PORTAL-710
    Change-Id: I8f2a44e889ea39971693f8845efbb9cdff05e932
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - UserRolesController up + tests

    UserRolesController checkIfUserIsSuperAdmin up + tests

    Issue-ID: PORTAL-710
    Change-Id: I1e483f2aafa064bbe9b98b46bb9c45e07b265978
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - WidgetsController test coverage up

    WidgetsController test coverage up

    Issue-ID: PORTAL-710
    Change-Id: Ie2473ea00ac5cb569a9461060924427d5cceada0
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - Tests coverage up and some minor bug fixes

    Tests coverage up and some minor bug fixes

    Issue-ID: PORTAL-710
    Change-Id: I1abb5025f8cc91738c976bd6a49113776d9b4617
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - Tests coverage up and some minor bug fixes

    Tests coverage up and some minor bug fixes

    Issue-ID: PORTAL-710
    Change-Id: I796bc731dec6fedae92cac2a659b27f2c0f6d406
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - WidgetsCatalogControllerTest up

    WidgetsCatalogControllerTest up

    Issue-ID: PORTAL-710
    Change-Id: I09c2ee9ab72108b2f62939a3a5ac2441376774e2
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - docker-compose fix

    docker-compose fix

    Issue-ID: PORTAL-710
    Change-Id: I613a86c1cbc1446ead5f4e543bb09fcd288a4a7a
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - WidgetMSController and WebAnalyticsExtAppVersionController Up

    WidgetMSController, WebAnalyticsExtAppVersionController,
    WebAnalyticsExtAppController Up

    Issue-ID: PORTAL-710
    Change-Id: Ie1d775e9122aa17d8ee709e793fb6a42d60c91ed
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
  - Login fix

    Login fix

    Issue-ID: PORTAL-710
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    Change-Id: I37aea592474eb662b6e7cefcc73549297e6a653b

  - pom.xml fix

    pom.xml fix

    Issue-ID: PORTAL-710
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>
    Change-Id: Ifcd9923791dfe28282cccc4fd5afad77df7aa777

    pom.xml fix

    pom.xml fix

    Issue-ID: PORTAL-710
    Change-Id: I50600e2f9ab829479f787998879de13b183d33cf
    Signed-off-by: Dominik Mizyn <d.mizyn@samsung.com>