Separate the Firefox 4.x and Safari <= 5.1.2 `JSON.parse` feature tests.
Separate the Firefox 4.x and Safari <= 5.1.2 `JSON.parse` feature tests.

bestiejs/json3,jcoc611/cassandraMAP,mcanthony/json3,jcoc611/cassandraMAP,yetone/json3,mcanthony/json3,yetone/json3,tildeio/kamino.js,bestiejs/json3,oyvindkinsey/json3,cyril-sf/kamino.js