Updated CHANGELOG for v0.6.0.
Updated CHANGELOG for v0.6.0.

phase2/grunt-drupal-tasks,EvanLovely/grunt-drupal-tasks,AndBicScadMedia/grunt-drupal-tasks,EvanLovely/grunt-drupal-tasks,phase2/grunt-drupal-tasks,phase2/grunt-drupal-tasks,AndBicScadMedia/grunt-drupal-tasks,EvanLovely/grunt-drupal-tasks,AndBicScadMedia/grunt-drupal-tasks,AndBicScadMedia/grunt-drupal-tasks,EvanLovely/grunt-drupal-tasks