Work in progress on a streamlined spec-driven property generation.
adding rudimentry BUILD.pl and role generation
partial generation/usage of CSS::Language::CSS1::_Interface
partial generation/usage of CSS::Language::CSS21::_Interface
partial generation/usage of CSS::Language::CSS3::Fonts::_Interface
partial generation/usage of CSS::Language::CSS3::Fonts::AtFontFace::_Interface
use ::Spec:: namespace for autogeneration
simplifications to property generation