Merge pull request #7 from lazd/master

grunt-phantomcss refactor; fixes #1, resolves #2, fixes #3, resolves #4, resolves #5.
Update README.md for release
Updated bower.json and package.json to add Larry Davis as Contributor
Updated tasks/phantomcss.js to fix typo
Fixed ResembleJS path bug caused by Huddle/PhantomCSS@7baf330d3203de67fde93271f384190875061bd0