Resolve "Download file annotation (json/tsv) button"

Closes #87

See merge request !39

Merge branch '78-add-possibility-to-provide-a-json-file-containing-the-annotations-of-the-various-files' into 'master'

Resolve "Add possibility to provide a .json file as annotation"

Closes #78

See merge request !38

Merge branch '70-upload-files-form-show-uploaded-files-on-return-from-form-validation-with-error' into 'master'

Resolve "Upload files form : Show uploaded files on return from form validation with error"

Closes #70

See merge request !37

Merge branch 'master' into '70-upload-files-form-show-uploaded-files-on-return-from-form-validation-with-error'

# Conflicts:
#   portal/templates/portal/secure/user/datafile_list.html

Merge branch '83-ajouter-fonctionnalite-pour-accepter-un-tsv-comme-source-d-annotations' into 'master'

Adds drag and drop capacity to annotations hstorefield

Closes #83

See merge request !36

Resolve "Add annotation to downloaded files + file upload regression fix"

Closes #79

See merge request !35

Add file size limit to zip creation for datasets. Update translations.

See merge request !34

Resolve "Download all files in dataset (web UI)"

Closes #69

See merge request !33

Resolve "servlet for dataset file list to support use of download script"

Closes #73

See merge request !32

servlet)

Resolve "servlet for dataset file list to support use of download script"

Closes #66

See merge request !30