Merge remote branch 'kertz/datetime_single_text'

* kertz/datetime_single_text:
  added missing single-text option

src/Symfony/Component/Form/Extension/Core/Type/DateTimeType.php

@@ -123,6 +123,7 @@ class DateTimeType extends AbstractType
             ),
             'date_widget'   => array(
                 null, // inherit default from DateType
+                'single-text',
                 'text',
                 'choice',
             ),