Review sass source code.
Modify package.json

Remove dependency of phantoms to avoid npm installation error
Merge pull request #17 from ivanzhaowy/master

Merge
Update Gruntfile.js
Merge pull request #18 from ivanzhaowy/master

Update Gruntfile.js
Polish codestyle
Update Gruntfile.js
Merge pull request #19 from ivanzhaowy/master

Merge
merge wandoulabs/Domino