src: refactored project wizard file structure

* renamed wizzard to wizard
* split QtProjectWizardContentPath into multiple files
* split QtProjectWizardContentPaths into multiple files
* restructured subdirectories

src/lib_gui/qt/project_wizard/content/QtProjectWizardContentJavaStandard.h

@@ -0,0 +1,31 @@
+#ifndef QT_PROJECT_WIZARD_CONTENT_JAVA_STANDARD
+#define QT_PROJECT_WIZARD_CONTENT_JAVA_STANDARD
+
+#include "QtProjectWizardContent.h"
+
+class QComboBox;
+class SourceGroupSettingsWithJavaStandard;
+
+class QtProjectWizardContentJavaStandard
+	: public QtProjectWizardContent
+{
+	Q_OBJECT
+
+public:
+	QtProjectWizardContentJavaStandard(
+		std::shared_ptr<SourceGroupSettingsWithJavaStandard> sourceGroupSettings,
+		QtProjectWizardWindow* window);
+
+	// QtProjectWizardContent implementation
+	virtual void populate(QGridLayout* layout, int& row) override;
+
+	virtual void load() override;
+	virtual void save() override;
+
+private:
+	std::shared_ptr<SourceGroupSettingsWithJavaStandard> m_sourceGroupSettings;
+
+	QComboBox* m_standard;
+};
+
+#endif // QT_PROJECT_WIZARD_CONTENT_JAVA_STANDARD