Merge pull request #72 from tdm/data-put-summary-in-summary ...

docs(data-*): Invert post.description and post.summary

docs(data-computer): Invert post.description and post.summary

lda require a string value

docs(data-computer): Un tantinet de français

fix(data-computer): x-gzip for lda-segment input

fix: wrong validation

feat: aggregate origin

ifix: avoid undefined value

fix avoid duplicates (need ezs/core@3.4.3)

Exemple de format de sortie différent pour même algorithme