The access rules capability of user module has been stripped down to a
simple method for blocking IP addresses. E-mail and username restrictions
are now available in a contributed module. IP address range blocking is
no longer supported and should be done at the server level.
This patch is partly motiviated by the fact that at the usability testing,
it frequently came up that users went to "access rules" when trying to
configure their site settings.
Note: properties, which are different in the RTL display are marked with /* LTR */ in default CSS files now,
so maintainers remember that changing them should also have an effect on RTL CSS files.
This should open the way for better RTL (right-to-left written) language (such as Arabic and Hebrew) support.