offline_circ must use SQLite v2 - because Kyles PHP does

offline_circ must use SQLite v2 - because Kyles PHP does

The Offline Circ tool by Kyle Hall uses PHP's SQLite, which is SQLite
v2.  Gnope, which Kyle links, ships with libSQLite v2.

Let's not count on libsqlite3 not being installed for perl.  If it is
installed DBD::SQLite will use it, where DBD::SQLite2 will not.

Signed-off-by: Galen Charlton <galen.charlton@liblime.com>