- Permissions table (probably I'll change for others uses)

- Added CDateTime component (to save in the db)... in the component CGridTableRec and for CEventsCalendar

server/models/where.js

@@ -13,6 +13,9 @@ mongoose.plugin(schema => {
 });
 
 const WhereSchema = new Schema({
+  _id: {
+    type: mongoose.Schema.Types.ObjectId
+  },
   idapp: {
     type: String,
   },