Bug 11241: update the Italian MARC21 setup for 3.16

Bug 11241: update the Italian MARC21 setup for 3.16

To test:
- Apply this patch.
- Reset your DB (DROP DATABASE, CREATE DATABASE -- whatever method you
  prefer)
- Install it-IT templates on command line
- Run the webinstaller using it-IT
- Follow the steps and choose all under 'opzionali'
=> SUCCESS: no errors
=> Sign this
=> Extra: see the cataloguing frameworks and check if you like the
   translation

Signed-off-by: Bernardo Gonzalez Kriegel <bgkriegel@gmail.com>
All files load ok, no errors.

Signed-off-by: Katrin Fischer <Katrin.Fischer.83@web.de>
Web installer loads all files without errors.
Verified 3 bibliographic frameworks and 5 authority types
appear to be translated correctly.

Signed-off-by: Galen Charlton <gmc@esilibrary.com>