(cherry picked from commit 74b8dba9)

(cherry picked from commit 531f1b8e)

(cherry picked from commit b584a9ed)

(cherry picked from commit a02a7488)

(cherry picked from commit 88b2d19b)

(cherry picked from commit 7259278fe7f81754d0a20bb3986896895a822790)

Philippe 08/07/2020: bugfix: budgets: add missing multiplication by prhodj for scalar variables budgets

(cherry picked from commit 0faa41f3)

(cherry picked from commit d7dfd210)

(cherry picked from commit 595b075a)

Philippe 30/06/2020: budgets: bugfix for HENU source in concentration of activated nuclei C2R2/KHKO budget

(cherry picked from commit 428283bb)

(cherry picked from commit 0f6a75e7)

Philippe + Benoit Vié 18/06/2020: improve removal of negative scalar variables: use ZEXN instead of PEXNREF

Philippe + Benoit Vié 11/06/2020: improve removal of negative scalar variables + adapt the corresponding budgets

Philippe 04/06/2020: set_conc_lima: correct array start for microphysics concentrations + add kmi dummy argument
(this subroutine is also called for other models)

Marc M. 28/04/2020: minor correction of ACPRT accumulated precipitation conversion to mm taken into account twice in DIAG program in written output

(cherry picked from commit 63421ea8)

 Quentin 21/04/2020: major correction for GFS grib use : the u and v wind component is now written in the correct vertical order at prep_real