code: function reportRunningTask(taskname) {
      const icon = require('./ci-icon');
      function done(success) {
          success
              ? console.log(`${icon.success()} ${taskname}`)
              : console.log(`${icon.error()} ${taskname}`);
      }
  
      return done;
  }
docs: report a task that is executing and may take some time
  @param {string} taskname
  @returns {function(boolean): void} done - returns a function to be called when task has finished processing
  done(true) -> report success
  done(false) -> report failure