Add can_have_copies field to config.bib_source.

Add can_have_copies field to config.bib_source.

Add the column definition to config.bib_source in
002.schema.config.sql.

Insert TRUE into the column for the default sources created in
950.data.seed-values.sql.

Add the field definition to class id cbs in fm_IDL.xml.

Teach OpenILS/Application/Storage/CDBI/config.pm about new field.

Add upgrade script for config.bib_source.can_have_copies.

Signed-off-by: Jason Stephenson <jstephenson@mvlc.org>
Signed-off-by: Dan Scott <dscott@laurentian.ca>