Bug 968246 - Scrape nightly for firefox releases
Cleanup debugging r=rhelmer
* Removed a bunch of stale print statemnets
* Also made the nightly URLs correspond to the day that the test is run
Merge pull request #1859 from selenamarie/bug968246-missing-nightly-releases

Bug 968246 - Scrape nightly for firefox releases
fixes bug 963297 - enforce annotated types in crashstats model
better docstring
correction from check.py cleanup mistakes
review fixes
debugging the failing jenkins test