Merge pull request #46 from nschonni/fix-vertical-align-missing-values

Add missing values from CSS3 vertical-align
Release 0.2.1
Remove build folder and exclude it

These files were causing alot  of diff noise with the timestamps.
Discussed in https://github.com/nzakas/parser-lib/pull/45
Trim default gitconfig
Merge pull request #51 from nschonni/add-gitignore-for-build

Remove build folder and exclude it
Add transparent to valid backround-color types

For https://github.com/stubbornella/csslint/issues/324