--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/Ember/EmberMotion.h

@@ -70,8 +70,8 @@ public:
 	template <typename U>
 	MotionParam &operator = (const MotionParam<U>& other)
 	{
-		first = other.first;
-		second = T(other.second);
+        this->first = other.first;
+        this->second = T(other.second);
 
 		return *this;
 	}