Fix style, string convertion into integer and conditions
Reorganized imports.
display_on_register is gone.
Use explicit relative imports.
Added live object manager for static pages.
Use the live manager.
Require accepting legal documents upon registration.

Fixes bug 2339.
Updated copyright year and version string.
Added mention to ordering in models.
Implemented internal page linking.

Any links starting with `#/` will be looked up by virtual path.

Fixes bug 2829.
Minimum Django version is 1.4.