sonata-project/SonataCoreBundle — pull request #122 by afurculita (2014-12-30 00:26:48+00:00)
Title: Create TimestampableInterface

We may also need an ```ArrayableInterface``` (with a ```toArray``` method), an ```EnableableInterface``` (with ```setEnabled``` and ```getEnabled``` methods), a ```LocaleAwareInterface``` (with ```setLocale``` and ```getLocale``` methods) and maybe others.