Title: Fixed encoding exception occuring in localized GUI when a WATO action triggers an error message
Level: 1
Component: wato
Class: fix
Compatible: compat
State: unknown
Version: 1.2.7i3
Date: 1437036533

For example this could happen when using the German localization and one deletes a contact group which
still has contacts assigned. This could also happen for other actions like host- or service group
management.
