landing page pricing table, map bug fixes, signature module improvement

app/main/model/BasicModel.php

@@ -119,6 +119,22 @@ class BasicModel extends \DB\Cortex{
 
     }
 
+    /**
+     * set "updated" field to current timestamp
+     * this is useful to mark a row as "changed"
+     */
+    protected function setUpdated(){
+        if($this->_id > 0){
+            $f3 = \Base::instance();
+            $f3->get('DB')->exec(
+                ["UPDATE " . $this->table . " SET updated=NOW() WHERE id=:id"],
+                [
+                    [':id' => $this->_id]
+                ]
+            );
+        }
+    }
+
     /**
      * get single dataSet by id
      * @param $id