Added support for:

* uploading bits to an app from a local directory
* updating an app's properties (and a start_app) helper method.
Added support for creation and removal of routes and bette rlogging
Merge branch 'master' of https://github.com/mcowger/python-cloudfoundry into 0.2
Merge branch 'master' of https://github.com/mcowger/python-cloudfoundry into 0.2