update jar defs

use current css-wide checks + update to latest CR of css-scrollbar-1

Merge pull request #351 from w3c/units-4

updates per css-values-4

Fix a bug in justify-self parsing where in auto | normal | stretch | …

…<baseline-position> | <overflow-position>? [ <self-position> | left | right ]

the <overflow-position> [left | right] and <self-position> parsing were missing.
Fixed a bug where delegating parsing of the justify-self part forgot first extra value before parsing -> recreate a new expression before proceeding.

This should fix #338

check the 'normal' value, this fixes #224

Merge pull request #110 from w3c/sideshowbarker/clip-path

Align clip-path checking more closely with spec

icon is deprecated (it may be removed later)