Bugs in sales and puchase

Created by: Prajkta Patkar

Same changes have not done in edit and clone
date and year remain selected when alert for date shown
invoice details not shown in print purchase and sales voucher

Imported comments:

By Prajkta Patkar on 2017-07-27T13:59:46.034Z

Cashflow

By Reshma Bhatawadekar on 2017-07-07T07:17:36.209Z

mentioned in merge request !627

By Reshma Bhatawadekar on 2017-07-07T07:09:54.745Z

changed milestone to %12

By Reshma Bhatawadekar on 2017-07-06T10:45:15.325Z

assigned to @reshma1

By Prajkta Patkar on 2017-07-06T05:22:05.960Z

changed the description