caelum/vraptor4 — pull request #889 by garcia-jj (2014-11-15 16:47:51+00:00)
Title: Using modern Java APIs

`Hashtable` is too old and its prefered to use `HashMap`. Has no reason to use `Hashtable` here. And GsonDeserializer can use `Charset` instead of `String` charset name, that is preferable in Java 6+.