- Implement a couple of helper methods into Dynamic(Sub)Request to

make life easier to Scheduler
- Go on implementing a bit more of Scheduler::step_forward()
- Remove "places" from SubRequest


git-svn-id: svn://svn.gna.org/svn/sgpemv2/trunk@778 3ecf2c5c-341e-0410-92b4-d18e462d057c

src/backend/concrete_history.hh

@@ -81,8 +81,7 @@ namespace sgpem
 
 		virtual DynamicSubRequest&  add_subrequest(Request& request,
 																		resource_key_t resource_key,
-																		time_t  duration,
-																		size_t  places = 1);
+																		time_t  duration);
 
 		virtual void reset(bool notify = true);