Fix for Bug 4359, noItemTypeImages not active in OPAC

Fix for Bug 4359, noItemTypeImages not active in OPAC

- Auth.pm put the noItemTypeImages preference under "intranet only."
  Moved it to "OPAC or intranet."
- Added check for the preference on the OPAC advanced search page.
- Improved logic for displaying images on the reading history page.

Signed-off-by: Galen Charlton <gmcharlt@gmail.com>
Signed-off-by: Chris Cormack <chrisc@catalyst.net.nz>
(cherry picked from commit d4f02c469bdb9626f456aadf160c9ffc9ad23863)

Signed-off-by: Chris Nighswonger <chris.nighswonger@gmail.com>