Revision History 1.0.4

Omeka's edit form has no lock: a form left open saves the resource as it stood when the page was drawn and quietly puts back what anybody saved in between. The form now remembers the last line of the resource's history (and its modified time) when it is opened, and the check before saving says, above the list of changes, who saved it since, when and how. Saving stays the person's choice. A new setting, Warn when somebody else saved first, turns it off on its own. No database change.