Change of behaviour:

• ECC-1143: migration to ecbuild means min. reqd. version of CMake is 3.12
• ECC-935: GRIB2 coding of param 141
• ECC-811 shape of earth. grib1 to grib2
• The CMake option ENABLE_PYTHON will default to OFF (previously it was ON)
• This option will also be renamed to ENABLE_PYTHON2
• Change "grib_dump -D" for index files. No option is needed

Please note: For this release, the minimum required version of cmake is 3.12