Update test for HTML
Merge branch 'master' of https://github.com/hail2u/vim-css3-syntax
Follow WD-css3-regions-20140218

See also: http://www.w3.org/TR/2014/WD-css3-regions-20140218/
Move page break values to `css3-page.vim`
Update README
Add css-display-3.vim and test

See also: http://www.w3.org/TR/2014/WD-css-display-3-20140220/