src: replaced gui wording with view wording

Changed gui wording in lib and app to view wording, since MVC views do not necessarily deal with GUIs. And moved files
so structure is similar in lib and app.

src/app/qt/view/QtViewWidgetWrapper.cpp

@@ -0,0 +1,37 @@
+#include "qt/view/QtViewWidgetWrapper.h"
+
+#include "component/view/View.h"
+#include "utility/logging/logging.h"
+
+QWidget* QtViewWidgetWrapper::getWidgetOfView(View* view)
+{
+	QtViewWidgetWrapper* widgetWrapper = dynamic_cast<QtViewWidgetWrapper*>(view->getWidgetWrapper());
+
+	if (!widgetWrapper)
+	{
+		LOG_ERROR("Trying to get the qt widget of non qt view.");
+		return nullptr;
+	}
+
+	if (!widgetWrapper->getWidget())
+	{
+		LOG_ERROR("The QtViewWidgetWrapper is not holdling a QWidget.");
+		return nullptr;
+	}
+
+	return widgetWrapper->getWidget();
+}
+
+QtViewWidgetWrapper::QtViewWidgetWrapper(std::shared_ptr<QWidget> widget)
+	: m_widget(widget)
+{
+}
+
+QtViewWidgetWrapper::~QtViewWidgetWrapper()
+{
+}
+
+QWidget* QtViewWidgetWrapper::getWidget()
+{
+	return m_widget.get();
+}