Changeset 2090

• Changed variable use_newsnow into ok_explicitsnow
• Changed name of variable wetdiag into shum_ngrnd_perma : this variable is on ngrnd levels and not diagnostic levels
• variable E_sol_lat_couche change int e_soil_lat without vertical dimension. This variable should not have a vertical dimension.
• variable shumdiag changed to name shumdiag_perma in thermosoil to have correct signification on the variable
• removed option ok_wetdiaglong with call to subroutine thermosoil_wlupdate and remove the subroutine : Not needed (G Krinner)
• Removed option ok_thermix_trunc : This is remaining method if not ok_freeze_thermix
• Changed content of option ok_freeze
• Changed to default ngrnd=7. For soil freezing, this variable must be set to 11 or higher in run.def. Added stop if activating soil freezing for ngrnd<11.
• Removed subroutine thermosoil_getdiff_old_thermix_with_snow and thermosoil_getdiff_old_thermix
• Changed name on subroutine thermosoil_getdiff_old_thermix_trunc into thermosoil_getdiff_old_thermix_with_snow
• Changed name on subroutine thermosoil_getdiff_old_thermix_trunc2 into thermosoil_getdiff_old_thermix_without_snow
• Removed variables tzero and used instead the variable ZeroCelsius?
• intersurf : correct error in usage of nslm versus nbdl
• cleaning, commnets, indentation,...

I.Gouttevin, G. Krinner, T. Wang, J. Ghattas