Resolve "passage core PO2 2.4 bis"

Closes #55

See merge request PO2-Tools/po2-engine!53

add wasInfluenceBy property on prov activity (obs step)

Resolve "add description in observation file"

Closes #54

See merge request PO2-Tools/po2-engine!52

Resolve "remove repetition on observation"

Closes #53

See merge request PO2-Tools/po2-engine!51

Merge branch '48-ajout-notion-scale-sur-etape-gestion-scale-liste-de-contrainte-semantisation' into 'develop'

Resolve "ajout notion scale sur étape + gestion scale (liste de contrainte + semantisation)"

Closes #48

See merge request PO2-Tools/po2-engine!46

Merge remote-tracking branch 'origin/develop' into 48-ajout-notion-scale-sur-etape-gestion-scale-liste-de-contrainte-semantisation

# Conflicts:
#	src/main/java/fr/inrae/po2engine/importExport/ExportDataNouveauFormat.java

Resolve "update to PO² 2.4"

Closes #52

See merge request PO2-Tools/po2-engine!49

Handling SCALE notion in import and export + better handling error messages when importing observations + better handling observations's cloned steps when exporting (so that corresponding information appeared only once)

Resolve "sauvegarde des coordonnées du graph"

Closes #51

See merge request PO2-Tools/po2-engine!48

Merge remote-tracking branch 'origin/develop' into 48-ajout-notion-scale-sur-etape-gestion-scale-liste-de-contrainte-semantisation

# Conflicts:
#	src/main/java/fr/inrae/po2engine/model/dataModel/StepFile.java
#	src/main/java/fr/inrae/po2engine/model/partModel/StepMetaPart.java

Resolve "ajout d'un module agent"

Closes #49

See merge request PO2-Tools/po2-engine!44

Prise en compte des agents (liste associee au projet, contact et funding pour les projets, operateurs pour les etapes et les observations) lors de l'import-export des jeux de données

Resolve "Gestion de troncage de nom dans les sheets excel"

Closes #50

See merge request PO2-Tools/po2-engine!47