add return path after changing location, and select2 on picking user location

src/Bundle/ChillMainBundle/Form/UserCurrentLocationType.php

@@ -43,6 +43,7 @@ class UserCurrentLocationType extends AbstractType
                 },
                 'placeholder' => 'Pick a location',
                 'required' => false,
+                'attr' => ['class' => 'select2'],
             ]);
     }
 }