Mozmill 1.5.3 RC1 on Pypi

[Clint Talbert]

Mozmill 1.5.3 RC1 is on pypi, please check it out.

We have fixed:
* Bug 643697 - JSBridge limits amount of data transferred (fixed on
branch, fix still pending on master)
* Bug 645234 - Fix for addon compat prefs (short term). Changes may be
needed longer term.
* Bug 636746 - Add Mozmill version to test report
* Bug 646970 - Remove controller argument from _buildMenu call in Menu::open
* Bug 647030 - version bump
* Bug 648523 - Mozmill 1.5.x doesn't remove temporary addon folders
* Bug 506760 - Mozmill tests executed with UTF-8 characters cannot be
executed
* Bug 648523 - Make windows process handling more robust

Thanks to everyone that submitted patches. I really appreciate it.

Clint