Update django version
use dj_database_url for main database config
update heroku settings to fix DJANGO_DEBUG logic.  Disable offline compression
change to use DATABASE_URL for all settings database config and add pep8 testeng
move settings_base to settings and some extras

* added `settings_ssl` with some SSL related settings.
* better environment based DEBUG setting for heroku.
* add `ALLOWED_HOSTS = '*'` to settings_local.sample.py
* detect `runserver` for using cached template loader.
* better bandit-email detection that isn't DEBUG based.
remove fixed version numbers from requirements
adjust location of cached template loader setting
Typo in logger config
Merge branch 'master' into heroku

Conflicts:
	requirements.txt