pep8 for tests

pep8 --ignore=E303,E501 tests/
pep8 for moztrap/

pep8 --ignore=E303,E501 moztrap/
Merge pull request #22 from klrmn/pep8

Pep8.  Looks great!  thanks for doing this!!
Profile, Category, Element APIs
refactor fk related tests into crud.py

separate TestSuiteCaseResource into it's own file so I can find it
better.
catch up on the API docs
added a how to section to the docs.
added instructions for adding to documentation
added some getting started steps
Merge pull request #23 from klrmn/env_api

CRUD APIs for Profile, Category, and Element
Looks good to me!
minor doc changes
fixed display of 'edit case details' button when running.  made status icon a link to results while running.
Merge branch 'master' into dev