_notifyAddonIncluded() {
    let addonNames = this.project.addons.map((addon) => addon.name);

    if (this.options.addons.exclude) {
      this.options.addons.exclude.forEach((addonName) => {
        if (addonNames.indexOf(addonName) === -1) {
          throw new Error(`Addon "${addonName}" defined in "exclude" is not found`);
        }
      });
    }

    if (this.options.addons.include) {
      this.options.addons.include.forEach((addonName) => {
        if (addonNames.indexOf(addonName) === -1) {
          throw new Error(`Addon "${addonName}" defined in "include" is not found`);
        }
      });
    }

    // the addons must be filtered before the `included` hook is called
    // in case an addon caches the project.addons list
    this.project.addons = this.project.addons.filter((addon) => this.shouldIncludeAddon(addon));

    this.project.addons.forEach((addon) => {
      if (addon.included) {
        addon.included(this);
      }
    });
  }
Calls the included hook on addons.

    @private
    @method _notifyAddonIncluded