new Machine methods to update and return the processing/load/setupTime dictionaries

Conflicts:
	dream/simulation/Machine.py
getProc/Setup/LoadTime turned to static. MachineJobShop updated to comply with the use of get/Proc/Setup/LoatTime - processingTime calculation fixed

Conflicts:
	dream/simulation/Machine.py
methods moved after __init__

Conflicts:
	dream/simulation/Machine.py