Merge branch 'json_to_tiff_mask_opt' into 'master'

Add option to json_to_tiff to skip mask conversion.

Closes #31

See merge request !16
3 jobs for master in 45 minutes and 19 seconds (queued for 2 seconds)
Status Name Job ID Coverage
  Test
passed test_gts2_client #61258

00:45:13

88.0%
 
  Deploy
passed pages #61259

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passed pages:deploy

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