isForProject() {
    return !!this.project && this.project.isEmberCLIProject && this.project.isEmberCLIProject();
  }
Indicate if this packageInfo is for a project. Should be called only after the project
has been loaded (see {@link PackageInfoCache#loadProject} for details).

@method isForProject
@return {Boolean} true if this packageInfo is for a Project, false otherwise.