Merge branch '69-add-compression-to-syntheses' into 'release-1.6'

See merge request !62

Resolve "add compression to syntheses"

Closes #69

See merge request !61

(cherry picked from commit e34015cc)

3c3b599a add compression to snow annual map
bd079a61 add compression to SMOD, SOD
02d3832b Update compute_NOBS.py

Patch 1.6.5

See merge request !60

Resolve "Run snow annual map logs are not written into the log file"

See merge request !58

Patch 1.6.4

See merge request !57

Resolve "Change zs defaultvalue in snow_detector"

See merge request !54

Resolve "Fix zs computation while using DEM with nodata"

See merge request !53

Merge branch '66-zs-computation-method-return-1-when-error-occur-whereas-1-is-a-valid-zs-value' into 'release-1.6'

Resolve "zs computation method return -1 when error occur, whereas "-1" is a valid zs value"

See merge request !52

Merge branch '66-zs-computation-method-return-1-when-error-occur-whereas-1-is-a-valid-zs-value' of https://gitlab.orfeo-toolbox.org/remote_modules/let-it-snow into 66-zs-computation-method-return-1-when-error-occur-whereas-1-is-a-valid-zs-value

Merge branch '66-zs-computation-method-return-1-when-error-occur-whereas-1-is-a-valid-zs-value' into 'release-1.6'

Resolve "zs computation method return -1 when error occur, whereas "-1" is a valid zs value"

See merge request !51

Resolve "Forbid having zs not in range [-413; 8850]"

See merge request !50

Resolve "Fix z_center cast in histo_utils.cxx"

See merge request !49

Release 1.6.3

See merge request !48

Merge branch '61-landsat-snow-product-are-not-recognized-when-provided-by-muscate' into 'release-1.6'

Resolve "Landsat snow product are not recognized when provided by muscate"

See merge request !46

Merge branch '60-create-metadata-fails-when-no-densification-product-list-is-defined' into 'release-1.6'

#60 - Patch 1.6.2

See merge request !45

Merge branch '60-create-metadata-fails-when-no-densification-product-list-is-defined' into 'release-1.6'

Resolve "Create metadata fails when no densification product list is defined"

See merge request !41

Resolve "Path_out is not created when path_tmp is set (out of path_out)"

See merge request !38

Release 1.6

See merge request !37