* ../../../src/dim/core/IslandData.h: added size funtion to DataVectorQueue in order to sum all the individual added to all destination queues
* ../../../src/dim/utils/StatFunctions.h: previous update used there
* added back sync code to get an algo without queues
* renamed simu-threaded file by a more general name since it works with sync and async model
* onemax + simu with sync mode