Fixed global gather/scatter operation added by Dimitri:  o replaced (potentially) blocking sends with explicitly non-blocking sends  o replaced constant arguments with variables  o missing arguments  X Note: we don't check the return status and should...
Fixed global gather/scatter operation added by Dimitri:
 o replaced (potentially) blocking sends with explicitly non-blocking sends
 o replaced constant arguments with variables
 o missing arguments
 X Note: we don't check the return status and should...

altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h,altMITgcm/MITgcm66h