Fix typo and add default task name to sample #2
Fix typo and add default task name to sample #2

jasongardnerlv/grunt-vulcanize,kgadzinowski/grunt-vulcanize,kgadzinowski/grunt-vulcanize,adam-h/grunt-vulcanize,jasongardnerlv/grunt-vulcanize,googlearchive/grunt-vulcanize,Polymer/grunt-vulcanize,kgadzinowski/grunt-vulcanize,googlearchive/grunt-vulcanize,Polymer/grunt-vulcanize,jasongardnerlv/grunt-vulcanize,adam-h/grunt-vulcanize,googlearchive/grunt-vulcanize,Polymer/grunt-vulcanize,adam-h/grunt-vulcanize