bf for guessing IAL version of arome_* commits
check if repository is checked before cloning
use 'git mv'/'git rm' instead of mv/rm
guess PATH in prep_code for filepp, mnh_expand and correct_indent

Add env variables and script options to define the git repository on github

Choice of the IAL version to use is now define by the content of the src/arom/ial_version.json file

Compilation system update with the help from Rolf Heilemann Myhre

Quentin 14/10/2022: Cleaning, rm modules not used; use TURBN structures to simplify logical, real/int, strings args usage
add PRSNOW arg in turb

Merge OCEAN contribution to mesonh 5.6

Adapt LSTATNW to GPU
move the key declaration from modd_cturb to modn_turbn and add the key
as args in shallow + turb