Merge pull request #30 from brandonsavage/master

Bouncer tests for redirect
fixing test to add response headers and response.url
Merge pull request #32 from retornam/devfix

 fixing test to add response headers and response.url
removing code for 20 - 20.1 redirect
Merge pull request #33 from retornam/devfix

removing code for 20 - 20.1 redirect
Updated to use fixtures instead of funcargs
Add EdgeCast to acceptable list of domains
Code cleanup (PEP 8, PyFlakes, PyLint, etc)
Merge pull request #34 from davehunt/edgecast

Added EdgeCast to acceptable domains
Changed xfail
Merge pull request #35 from AndreiH/changed_xfail

Changed xfail
Adding a test for robots.txt to verify that it exists.
Fixing merge commits.