Initial commit.
Improvements to setup.py, test_pep8, and test.suites.
Added bumblebee.config module and tests.
Moved Dragonfly specific code from core Application to system.dragonfly module.

 - Added the system subpackage with associated interface.
 - Implemented system.dragonfly module.
 - Moved some class-level log objects to the module level.
 - Added Config.reload_if_modified() and improved Config tests.