fixed errorneous code snippets
fixed errorneous code snippets

louiselvira/ngProgress,qq645381995/ngProgress,hshn/ngProgress,mojaray2k/ngProgress,JackPu/ngProgress,bianchimro/ngProgress,VictorBjelkholm/ngProgress,JackPu/ngProgress,mojaray2k/ngProgress,costacruise/ngProgress,wwstay/ngProgress,dlynam01/ngProgress,dlynam01/ngProgress,fvezzoso/ngProgress,fvezzoso/ngProgress,louiselvira/ngProgress,bianchimro/ngProgress,costacruise/ngProgress,VictorBjelkholm/ngProgress,hshn/ngProgress,wwstay/ngProgress,qq645381995/ngProgress