Add svg2 properties.
Add svg2 properties.

- Add property names described in [SVG2: Appendix I: Property Index](https://www.w3.org/TR/SVG2/propidx.html)

vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js,vivliostyle/vivliostyle.js