juju/juju — pull request #1183 by sinzui (2014-11-18 19:55:18+00:00)
Title: Increment juju to 1.21.beta4

Increment the juju devel and win installer version th 1.21-beta4. We may not release this version. If no regressions are reported about beta3, we will rename this version 1.20.0.