refs #20684

Thanks jacob, jcd, and shai for the suggestions.

Thanks nick.phillips at otago.ac.nz for the report.

Thanks SmileyChris for the suggestion.

Thanks mjtamlyn for the suggestion.

pytz' localize() method is the bane of my life.

Thanks joseph at vertstudios.com for the suggestion.

Refs #20978.

Thanks jimmy.kjaersgaard at gmail.com for the report.

Added DiscoverRunner.test_suite and .test_runner attributes.

Thanks tomchristie for the suggestion and jcd for the patch.

Thanks Jeff Kowalczyk for the suggestion and rctay for the patch.

Thanks Stefano Crosta for the report.

Fixed a little mistake in Django 1.7 release notes

Refs #17262.

This commit deprecates django.utils.tzinfo in favor of the more recent
django.utils.timezone which was introduced when Django gained support
for time zones.

* override_settings may now be imported from django.test
* removed Approximate from django.test
* updated documentation for things importable from django.test

Thanks akaariai for the suggestion.

Thanks Aymeric for the suggestions.

refs #10164

Thanks Panagiotis Issaris for the report.

Thanks outofculture at gmail.com for the suggestion.

To enable testing on Oracle 12c

Passed large maxlinelen to email.Header to prevent newlines from being
inserted into value returned by _convert_to_charset

Thanks mjl at laubach.at for the report.

refs #21067

Thanks to robin for the report and claudep for the review.

Inputs acceptable to time.mktime are platform-dependent.