ui: Rewrote project setup to wizzard

* QtProjectWizzard handles window managment logic of project setup
* QtProjectWizzardWindow is used in every step and displays QtProjectWizzardContent
* QtProjectWizzardContent is the base class for all differnt content types
* Removed Singleton from ProjectSettings
* ProjectSettings are created by wizzard and QtProjectWizzardContent can access and load
* added project type selection at start of wizzard
* added summary at end of wizzard
* show global search paths in setup and summary
* fixed layout problems after font switch
* fixed scrolling and resizing of QtDirectoryListBox
* separated QtLocationPicker to own class

src/lib_gui/qt/window/project_wizzard/QtProjectWizzardContentSimple.h

@@ -0,0 +1,27 @@
+#ifndef QT_PROJECT_WIZZARD_CONTENT_SIMPLE_H
+#define QT_PROJECT_WIZZARD_CONTENT_SIMPLE_H
+
+#include "qt/window/project_wizzard/QtProjectWizzardContent.h"
+
+class QButtonGroup;
+
+class QtProjectWizzardContentSimple
+	: public QtProjectWizzardContent
+{
+	Q_OBJECT
+
+public:
+	QtProjectWizzardContentSimple(ProjectSettings* settings, QtProjectWizzardWindow* window);
+
+protected:
+	// QtProjectWizzardContent implementation
+	virtual void populateWindow(QWidget* widget) override;
+	virtual void load() override;
+	virtual void save() override;
+	virtual bool check() override;
+
+private:
+	QButtonGroup* m_buttons;
+};
+
+#endif // QT_PROJECT_WIZZARD_CONTENT_SIMPLE_H