Bring 3 QA scripts into the tree. Add CLI driver.
Make imports more sane
Fix newlines
Send notifications for QA script output
Fix typo
Look for "Page not found" pages not served as 404s
404s: false negatives and utf-8

Check websites with bad 404s to make sure the regular expressions still
work.
Try decoding files as utf-8 first, then fall back to bytes.
Merge branch 'master' into qa_scripts
update scripts to use utils.run method, and exit codes
Merge pull request #171 from unitedstates/qa_scripts

Adding QA scripts