LP#1427287: script to migrate MARC tooltips data file

LP#1427287: script to migrate MARC tooltips data file

marc_tooltips_to_sql is a script that converts an
Evergreen MARC tooltips file to a set of SQL statements
for seeding config.marc_field, config.marc_subfield,
config.record_attr_definition, and config.coded_value_map
with tag table data.

Example usage:

marc_tooltips_to_sql --input Open-ILS/xul/staff_client/server/locale/en-US/marcedit-tooltips.xml \
                     --output /tmp/bibs.sql --type biblio

Signed-off-by: Galen Charlton <gmc@esilibrary.com>
Signed-off-by: Jason Stephenson <jstephenson@mvlc.org>