ContinuumIO/bokeh — pull request #1079 by damianavila (2014-08-27 15:13:34+00:00)
Title: Used our own human_bytes.

This is #1043 again... because it is not possible to run test on conda environments.
For high-levels canda functions, we will have `conda-api`, but for little utilities like this, it was recommend to us to just copy the function.