bjorn/tiled — pull request #676 by fzzrr (2014-05-23 16:49:16+00:00)
Title: fix DTD: add support orientation="staggered"

Add to DTD support of staggered isometric orientation ![screen shot 2014-05-23 at 20 47 20](https://cloud.githubusercontent.com/assets/888526/3069312/ff95926c-e299-11e3-8381-36fc5a4a5e94.png)