Add 'vertical-align'
Update CSSUnit(Pt, Cm, Mm, In, Pc)
Update testcase
Merge pull request #28 from recrack/length_postfix

Impl cm postfix
Merge pull request #31 from june0cho/vertical_align

Add 'vertical-align'
color.rs: parse_rgb some bug fix
Update color testcase in test.rs
Add color macro_rule
Add define_color
Add parse_static_color
Update mod test
Merge pull request #22 from recrack/modify_colors

rust-css add colors & test cases