twitter/ambrose — pull request #79 by sagemintblue (2013-07-12 10:51:04+00:00)
Title: Adds MR task progress indicators to nodes in graph view

Map task progress is depicted with an arc around job node which grows from 9 o'clock to 3 o'clock around top of node. Reduce task progress is depicted the same way, but the arc grows around the bottom of the node.