Merge pull request #3 from hariadi/develop

Refactor task
Merge pull request #4 from roots/develop

Refactor task
Merge pull request #5 from hariadi/master

Update README
Merge pull request #6 from hariadi/master

Various fixes
Merge pull request #7 from hariadi/master

0.1.7
fix(test): remove old failed test
Start use external library

See: http://gruntjs.com/blog/2013-11-21-grunt-0.4.2-released