Make description of heap records more talkative for flags

2018-11-14 01:35:20 Michael Paquier (michael-kun) Closed in commitfest 2018-11 with status: Committed 2018-11-14 01:35:20 Michael Paquier (michael-kun) Changed committer to michael-kun 2018-10-01 02:31:52 Michael Paquier (michael-kun) Closed in commitfest 2018-09 with status: Moved to next CF 2018-08-10 22:13:15 Andrew Dunstan (adunstan) Closed in commitfest 2018-07 with status: Moved to next CF 2018-06-15 15:08:32 Nathan Bossart (bossartn) Added bossartn as reviewer 2018-06-15 15:08:27 Nathan Bossart (bossartn) Posted review with messageid <152907530797.19071.16897844783986252441.pgcf@coridan.postgresql.org> 2018-05-16 04:12:43 Michael Paquier (michael-kun) Changed authors to Michael Paquier (michael-kun) 2018-05-16 04:12:13 Michael Paquier (michael-kun) Attached mail thread 20180413034734.GE1552@paquier.xyz 2018-05-16 04:12:13 Michael Paquier (michael-kun) Created patch record