Close #11 PR: Package.json: update vulcanize to 0.6.0.
Close #11 PR: Package.json: update vulcanize to 0.6.0.

Kiikurage/gulp-vulcanize,sindresorhus/gulp-vulcanize,Kiikurage/gulp-vulcanize,addyosmani/gulp-vulcanize,addyosmani/gulp-vulcanize,sindresorhus/gulp-vulcanize