Merge branch 'master' of https://gitlab.com/ArmarX/ArmarXGui

data/ArmarXGui/GuiDefaultConfigs/Statecharts.armarxgui

source/ArmarXGui/applications/ArmarXGui/ArmarXMainWindow.cpp

source/ArmarXGui/applications/ArmarXGui/ArmarXMainWindow.h

...ui/applications/ArmarXGui/Widgets/UseCaseSelectorItem.cpp

...XGui/applications/ArmarXGui/Widgets/UseCaseSelectorItem.h

...plugins/ScenarioManager/controller/SettingsController.cpp

...i-plugins/ScenarioManager/gui/detailedapplicationview.cpp

...rmarXGui/gui-plugins/ScenarioManager/gui/scenarioitem.cpp

...rXGui/gui-plugins/StatechartEditorPlugin/io/XmlReader.cpp

...marXGui/gui-plugins/StatechartEditorPlugin/io/XmlReader.h

...i-plugins/StatechartEditorPlugin/model/StateTreeModel.cpp

...gui-plugins/StatechartEditorPlugin/test/XmlReaderTest.cpp

...rXGui/gui-plugins/StatechartViewerPlugin/StateWatcher.cpp

...lugins/StatechartViewerPlugin/layout/LayoutController.cpp

source/ArmarXGui/libraries/ArmarXGuiBase/CMakeLists.txt

source/ArmarXGui/libraries/ArmarXGuiBase/PluginCache.cpp

source/ArmarXGui/libraries/ArmarXGuiBase/PluginCache.h