BUG 10690 "Cuando se introduce algunas paginas no existentes..." SOLVED

- URL no valid no redirects to the 404 page
- Solved problem in validation of template
- Solved problem, add validation for URL no valid
* Available from version ProcessMaker-2.0.46
Merge pull request #1300 from victorsl/BUG-10690

BUG 10690 "Cuando se introduce algunas paginas no existentes..." SOLVED