using node 8.15.1 for slightly faster appveyor builds
using node 8.15.1 for slightly faster appveyor builds

electric-eloquence/fepper-drupal,electric-eloquence/fepper-wordpress,electric-eloquence/fepper-wordpress,electric-eloquence/fepper,electric-eloquence/fepper,electric-eloquence/fepper-base,electric-eloquence/fepper-drupal,electric-eloquence/fepper-base,electric-eloquence/fepper-wordpress,electric-eloquence/fepper-wordpress,electric-eloquence/fepper-drupal,electric-eloquence/fepper-drupal