spotify/luigi — pull request #484 by interskh (2014-10-04 01:13:32+00:00)
Title: include priority and resource information in visualizer

Also I skip dependency info in the serialize_task when not necessary.

See attachment.
![luigi task visualiser](https://cloud.githubusercontent.com/assets/50040/4514274/7d16a56e-4b63-11e4-9025-c5a1db3ef674.png)