Translations:Custom translation/14/en

1. Create the source message INSERT INTO lime_source_message (id, category, message) VALUES (NULL, NULL, 'Submit');
2. Check the ID (if it's the 1st : ID is 1) and use it for next instruction
3. Create the related translation : INSERT INTO lime_message (id, language, translation) VALUES ('1', 'en', 'Validate'), ('1', 'fr', 'Valider');