--User changes

-Add variations filter/selection dialog.

--Bug fixes
 -Fix summary window not properly indicating the presence of pose affine.
 -Remove a file named Fractorium.aps which had been erroneously committed a year ago.

--Code changes
 -Use qobject_cast instead of dynamic_cast where appropriate.
 -Add more override keyword where appropriate.
 -Add variations list to settings for filter dialog.

Source/Fractorium/OptionsDialog.h

@@ -29,8 +29,8 @@ public:
 public slots:
 	void OnOpenCLCheckBoxStateChanged(int state);
 	void OnPlatformComboCurrentIndexChanged(int index);
-	virtual void accept();
-	virtual void reject();
+	virtual void accept() override;
+	virtual void reject() override;
 
 private:
 	bool EarlyClip();