Remove using namespace on global scope and format code

etc/doxygen/snippets/ArmarXGuiPluginWidgetController.cpp.dox

source/ArmarXGui/applications/ArmarXGui/ArmarXGuiApp.cpp

source/ArmarXGui/applications/ArmarXGui/ArmarXMainWindow.cpp

...ui/applications/ArmarXGui/Widgets/EmergencyStopWidget.cpp

...marXGui/applications/ArmarXGui/Widgets/TitlebarWidget.cpp

...ArmarXGui/applications/ArmarXGui/Widgets/ViewerWidget.cpp

...rXGui/applications/ArmarXGui/Widgets/WidgetNameDialog.cpp

...arXGui/components/RemoteGuiProvider/RemoteGuiProvider.cpp

source/ArmarXGui/gui-plugins/ClockPlugin/ClockGuiPlugin.cpp

...marXGui/gui-plugins/ClockPlugin/ClockWidgetController.cpp

...gins/ConditionViewerPlugin/widgets/ConditionItemModel.cpp

...s/ConditionViewerPlugin/widgets/ConditionViewerWidget.cpp

...ns/ConditionViewerPlugin/widgets/TermNodeGraphicsItem.cpp

source/ArmarXGui/gui-plugins/IceProxy/IceProxyGuiPlugin.cpp

...marXGui/gui-plugins/IceProxy/IceProxyWidgetController.cpp

...ui-plugins/LoggingPlugin/ArmarXLogViewer/FilterDialog.cpp

...gins/LoggingPlugin/ArmarXLogViewer/LogMessageDelegate.cpp

...ui/gui-plugins/LoggingPlugin/ArmarXLogViewer/LogTable.cpp

...i-plugins/LoggingPlugin/ArmarXLogViewer/LogTableModel.cpp

...i/gui-plugins/LoggingPlugin/ArmarXLogViewer/LogViewer.cpp