Update Jekyll to 1.4.3 in Gemfile.
Update Sass to 3.2.13 in Gemfile.
Update grunt-autoprefixer, grunt-concurrent, grunt-contrib-connect, grunt-contrib-uglify, jshint-stylish, and time-grunt in package.json.
Remove CSSCSS from the project.
Fix cssLint paths in Gruntfile.js.
Remove grunt-rev and instead use grunt-filerev in package.json and Gruntfile.js.
Remove redundant globbing pattern in the watch Jekyll task in Gruntfile.js.
Reduce redundancy in clean tasks.
Remove useminPrepare hack, since behavior is now available using src property in Gruntfile.js.