Bug 6371 Item Types description not properly displayed if not pure ASCII

Bug 6371 Item Types description not properly displayed if not pure ASCII

In several places, C4::ItemType module is used to retrieve item types
and their description. If the description text contains non-ASCII
characters, those characters are not properly displayed.

This bug can be seen in:

  - 4xx plugin of a UNIMARC DB
  - Home > Admin > Item circulation alerts
  - others?...

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
  - Fixes display probems in circulation alerts and 4xx UNIMARC plugin
  - display in other places looks ok with and without patch

Signed-off-by: Paul Poulain <paul.poulain@biblibre.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>