Bug 15755: Display default item type as "All" in circ rules

 Bug 15755: Display default item type as "All" in circ rules

Bug 15354 did not fix correctly the issue with the item type display.
The default item type '*' should be "All", at the moment nothing is
displayed in the column.

Test plan:
1/ Define a rule for default item types (All/*) and for specific item
types.
2/ Translate some item type descriptions used in previous step
3/ Default item type should be "All" and correct translations should be
displayed.

Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
Signed-off-by: Katrin Fischer <katrin.fischer.83@web.de>
Signed-off-by: Brendan A Gallagher <brendan@bywatersolutions.com>