lp1739292 merge UI displays record summary

lp1739292 merge UI displays record summary
Add the record summary to the record merge UI.  Note that when one clicks
on "use as lead record" or "remove from consieration" the order of the
records changes.  The record summary also will change order to match.

Signed-off-by: Mike Risher <mrisher@catalyte.io>
 Changes to be committed:
	modified:   Open-ILS/src/templates/staff/cat/bucket/record/t_merge_records.tt2
	new file:   Open-ILS/src/templates/staff/cat/share/t_record_summary_slim.tt2
	modified:   Open-ILS/web/js/ui/default/staff/cat/services/record.js