Calculettes : désactiver le bouton de calcul si un des champs est en erreur

On ne devrait pas pouvoir lancer un calcul si une des valeurs saisie est incorrecte.

changed the description

By Grand Francois on 2018-01-20T11:19:17 (imported from GitLab)

created branch 49-calculettes-desactiver-le-bouton-de-calcul-si-un-des-champs-est-en-erreur

By Grand Francois on 2018-01-20T11:19:31 (imported from GitLab)

mentioned in commit f71d9851

By Grand Francois on 2018-01-24T09:46:42 (imported from GitLab)

mentioned in merge request !8 (merged)

By Grand Francois on 2018-01-24T09:47:38 (imported from GitLab)

closed via merge request !8 (merged)

By Dorchies David on 2018-01-24T09:53:55 (imported from GitLab)

closed via commit fd1a41d5

By Dorchies David on 2018-01-24T09:53:56 (imported from GitLab)

mentioned in commit fd1a41d5

By Dorchies David on 2018-02-12T16:53:30 (imported from GitLab)