adding setup method to AbstractZucchiniTest which does nothing by
default but allows the flexibility of doing a global setup on your
devices.  Also modifying the readme to point to the more robust
documentation
replacing tabs with spaces
Merge pull request #2 from cookery/feature/addSetupMethod

adding setup method to AbstractZucchiniTest
Merge branch 'develop' of github.csv.comcast.com:cookery/zucchini into padawan/opensource

Conflicts:
	README.md