Move redisp-drag lib to /lib

Author: cedric-anne

js/redips-drag-min.js lib/redips-drag-min.jsjs/redips-drag-min.js renamed to lib/redips-drag-min.js

@@ -145,7 +145,7 @@ function plugin_init_fields()
             $PLUGIN_HOOKS['pre_item_purge']['fields']['Profile'] = ["PluginFieldsProfile", "deleteProfile"];
 
             //load drag and drop javascript library on Package Interface
-            $PLUGIN_HOOKS['add_javascript']['fields'][] = "js/redips-drag-min.js";
+            $PLUGIN_HOOKS['add_javascript']['fields'][] = "lib/redips-drag-min.js";
             if (!$debug && file_exists(__DIR__ . '/js/drag-field-row.min.js')) {
                 $PLUGIN_HOOKS['add_javascript']['fields'][] = 'js/drag-field-row.min.js';
             } else {