Hide the 'home' field until we have a proper document selector Rather than having a confusing 'home' field that lists all Linkables (in other words, everything in the database), we're better off hiding it for now.

Fixed redirects to work consistently Revision 1133 broke 'Edit Site Settings' by relying on the fact that the url for create pages is '<entity>/create', which it is not for 'Edit Site Settings'.