- Add swap() method signature to SchedulableQueue

- Export swap() to SWIG
- Add sort function (just its documentation, actually, implementation will
follow) to Policy.py


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@385 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/sgpem.i

@@ -132,6 +132,7 @@ namespace sgpem {
 	uint size() const;
 	SchedulableStatus* get_item_at(const uint&);
 	const SchedulableStatus* get_item_at(const uint&) const;
+	void swap(unsigned int positionA, unsigned int positionB) throw();
 	
     private:
 	// Avoid instantiation and copy