code: function stopOnProcess(index) {
    log( 'Attempting to stop ' + index + '...' );
  
    done = this.async();
    findProcessWithIndex( index, function(process) {
      if( typeof process !== 'undefined' ) {
        log( forever.format(true,[process]) );
  
        forever.stop( index )
          .on('stop', function() {
            done();
          })
          .on('error', function(message) {
            error( 'Error stopping ' + index + '. [REASON] :: ' + message );
            done(false);
          });
      }
      else {
        gruntRef.warn( index + ' not found in list of processes in forever.' );
        done();
      }
    });
  }
docs: Attempts to stop a process previously started associated with index.
  @param  {String} index Filename associated with previously started process.