nanjingboy/grunt-css-url-replace — pull request #2 by Nehle (2014-02-11 12:22:31+00:00)
Title: Data-urls should be treated as absolute

This fixeds so that data-urls are left alone

For example: background-image: url("data:image/svg+xml;base64,0") should not be changed to background-image: url("/root/data:image/svg+xml;base64,0")