CIRCLE / cloud

Conflicts:
	circle/common/models.py

Fab can't work with a #! as "#!/usr/bin/env fab -f" would be three words,
which is not supported by Linux

Feature Nose

80s -> 45s on my devenv

Handle and use HumanReadableExceptions

remove most check_precond() methods

to support HumanReadableException

Conflicts:
	circle/dashboard/static/dashboard/dashboard.css
	circle/dashboard/views.py

don't show notifications if user is authenticated by token

Closes #224

Feauture Less Activity

Conflicts:
	circle/dashboard/views.py

Feature Agent Renew

* send notification to agent about expiration
* provide machine-readable response for renew

Fix Notifications