Bug 20194: Display both biblioitems.itemtype and items.itype in circulation screens

Bug 20194: Display both biblioitems.itemtype and items.itype in circulation screens

Test plan:
1. Verify that biblioitems.itemtype, items.itype are
   mapped to a MARC field. Otherwise create those mappings.
2. Create a biblio with an itemtype
3. Create an item with a different itemtype for this biblio
4. Check out this item to a patron (P1)
5. Verify that both itemtypes are displayed in the
checkouts table (moremember.pl, circulation.pl, returns.pl)
6. Create a patron whose guarantor is P1 and verify that both itemtypes
and the ccode are displayed in the 'relatives checkouts' table

Followed test plan, patch worked as described, also passes QA test tool
Signed-off-by: Alex Buckley <alexbuckley@catalyst.net.nz>
Signed-off-by: Nick Clemens <nick@bywatersolutions.com>
Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com>