Added Modulefile dependency on footballradar/python
Pull out Package['python-pip'], include python class
Add `require`s to ensure we have `pip` before we start using it
`require`, not `requires`. That'll teach me to skip tests.
Merge branch 'use_python_module' of github.com:footballradar/garethr-graphite into footballradar-use_python_module

Conflicts:
	Modulefile
	manifests/install.pp