LP1331174_Long_Overdue_processing_needs_org_unit_settings

LP1331174_Long_Overdue_processing_needs_org_unit_settings

Introduced a third library setting "circ.longoverdue.to_lost" which will allow the code to execute
beyond the error "COPY_MARKED_LONG_OVERDUE".

Introduced a sample action_trigger.event_definition '12 Month Long-Overdue Mark Lost' disabled
by default. This action trigger definition will target Long-Overdue items when executed with
the provided action_trigger_filters_lod_to_lost.json.example.

Includes a sample file action_trigger_filters_lod_to_lost.json.example

Reference to action_trigger_filters_lod_to_lost.json.example is included in Makefile

Extensive documentation added

Signed-off-by: blake <blake@mobiusconsortium.org>