colosa/processmaker — pull request #474 by julceslauhub (2012-08-15 23:08:52+00:00)
Title: BUG 9624 When you go to the UNASSIGN option, screen is blank SOLVED

- When format a date with null value thows a javascript error
- Add validation for null values
- Fix some issues with the format of names (current user, previous user)