Set INTERNAL_IPS to a convenient default when it isn't set.
Automatically enable DebugToolbarMiddleware when it isn't enabled.
Simplify monkey-patching of URLs into urlconf.
Switch to regular URL reversing in templates.
Don't set up the toolbar when DEBUG = False.
Rewrite installation instructions.
Merge pull request #456 from aaugustin/automagic-setup

Simplify installation and provide more control.