Philippe 20/07/2021: modify DATETIME_TIME2REFERENCE and DATETIME_DISTANCE to allow correct computation with 32-bit floats

Quentin 19/07/2021: minor cosmetic change and modify HCAMSFILETYPE default value to NETCDF (only possible value for now)

Quentin 16/07/2021: stations : move LDIAG_RESULTS to LDIAG_SURFRAD and apply it (developpement was missing on station and write_station)

Merge branch 'MNH-55-branch' of mesonh2.aero.obs-mip.fr:/gitrepos/MNH-git_open_source-lfs into MNH-55-branch

Quentin 16/07/2021: station change default time step to 60s and remove TYPE variable of csv reading.
TODO: remove the STATION%TYPE which is not used

Juan 16/07/2021: A-INSTALL , add README_MNH_CONDA ref for installation of conda/python package on PC , and/or Supercomputer without internet connexion

Juan 16/07/2021: add README_MNH_CONDA for installation of conda/python package on PC , and/or Supercomputer without internet connexion

Quentin 15/07/2021: separate module load python on Belenos for KTEST examples, incompatibility with python environnement (module) and the other modules needed for MNH (error :unalias condam not found)

Quentin 12/07/2021: bugfix revert from commit fde83373 for initialization of IPROC number of variable to write

Merge branch 'MNH-55-branch' of mesonh2.aero.obs-mip.fr:/gitrepos/MNH-git_open_source-lfs into MNH-55-branch

Quentin 09/07/2021 compilation was not possible with MNH_ECRAD not defined and VER_ECRAD=140 (default option without MNH_ECRAD)

Quentin 07/07/2021: Python : ZTSERIES and XTSERIES need to be transposed to use psection functions without specifying .T each time + bugfix

Revert "P.Tulet 29/06/2021: SURFEX bugfix, PK%NSIZE_P can be zero leading to missing initialization of dust variables + missing logical LCH_SURF_EMIS for chemical emission activation"

This reverts commit 5c068483.

Bugfix non resolu totalement, en cours de resolution par Marie Minvielle

Quentin 07/07/2021: adapt ncl scripts to 005_ARM and 014_LIMA with respect to the modified Budgets format

Quentin 06/07/2021: update Python lib to read NetCDF4 groups and adapt KTEST to the new read functions + cleaning

Philippe 06/07/2021: secure SURFEX_DEALLO_LIST (possibility to call it even if YSURF_LIST not allocated)