Setting header date according Configuration.
Adding conditions to check enviroment configuration dateformat.
BUG 11077 "En el timing control el Task duration acepta..." SOLVED

- En el timing control el Task duration acepta numero negativos.
- Problema resuelto, en timing control el campo task duration se valida a numeros enteros positivos.
* Available from version ProcessMaker-2.0.47 (2.5.1)
Merge pull request #1515 from luisfernandosl/BUG-11077

BUG 11077 "En el timing control el Task duration acepta..." SOLVED
Merge pull request #1513 from ralpheav/master

Adding dateformat header acording Enviroment settings