Autosubmit 2.3: Runtime update of variables. Fixed template branch default. WARNING: Autosubmit 2.3 backwards compatibilty with old experiments is not possible. Experiments created with version 2.2 or before should run with older versions of Autosubmit.

- At Ithaca the OpenMPI has been switched with the latest IntelMPI (impi) and there will be 20-25% gain in speed of running simulations with ecearth and nemo...

- wallclock option introduced for jobs going to be submitted at Ithaca...

Autosubmit 2.3: Setup and transfer jobs choices removed. Got rid of symlinks for template creation strategy. INIT short extension change to INI. Remove chunk number from ini jobs. WARNING: Autosubmit 2.3 backwards compatibilty with old experiments is not possible. Experiments created with version 2.2 or before should run with older versions of Autosubmit.

Conflicts:
	conf/archdef/ecmwf.conf

Autosubmit 2.3: archdef new variables HEADER_INI, HEADER_SIM, HEADER_... introduced for each type of job

Conflicts:
	conf/expdef.conf

- remotesetup wall-clock time redueced from 10H to 4H for all platforms

New status SUSPENDED introduced. The User can set the status SUSPENDED in updated_list file to hold jobs inactive.