follow WD-css3-grid-layout-20130910
inform changes in Vim 7.4
follow WD-css3-ruby-20130919
recommend Vim 7.4
use reference style links
follow WD-css-text-3-20131010
add missing `alphabetic` value
update README
follow spec URL changes
update `html.vim`, fixes #17
add Compositing and Blending Level 1 features
fix missing semicolon
follow WD-css-masking-1-20131029
check 'cssTransitionProp' hilight group

This `if` statement checks Vim version (~7.3 or 7.4+) by behavior.
Follow spec URL changes

New spec URL: http://www.w3.org/TR/css-writing-modes-3/
Check 'cssWritingModesProp' highlight group
Fix wrong condition
Rename in `html.vim` too

Oops again. I need git-hooks for this.
Add test for HTML
Follow WD-css-shapes-1-20131203