New FamilyProduct class to get information about l1c, l2a, cloudmask and indice products in database from an identifier string

Added the possibility to copy l2a sideproducts to cloudmask folder while computing l2a, for l2aproduct, tile, and job. Added the possibility to process more than one cloudmask in Job task

added possibility de copy l2a side products for products, tile, multiprocessing, etc. Modifying Job to copy these side products while generating l2a