Autosubmit 2.4.2: Fixes issue of many transfers overloading enterprise. Patch tested at Ithaca and Mn3

Autosubmit 2.4.2: Fixes issue of many transfers overloading enterprise. New variable MAXTRANSFERJOBS

Conflicts:
	src/check_ithaca.bash

Conflicts:
	src/autosubmit.py
	src/dir_config.py
	src/expid.py

Conflicts:
	src/change_pkl.py
	src/job/job_list.py

According to Mingu's explanations, the selection of cdftools can not be done in archdef but needs to be done in the templates. It is therefore necessary to create different entries CDFTOOLS2 and CDFTOOLS3 in the archdef