minor changelog fix
moved log msg about script's normal shutdown from BaseScript to DataMaintainer

I think this could be useful to others but it's got to move until a better solution is figured out.
v3.2.4
Merge branch 'hotfix/3.2.4'
fixed subscriber_info_watermark_name_fkey violation

(introduced in commit 0466144)
sql/pgq_ext/structure/tables.sql: fixed some typos
Merge branch 'master' of https://github.com/markokr/skytools into hotfix/3.2.5
bumping up schemata's versions in preparation for upcoming release
v3.2.5
Merge branch 'hotfix/3.2.5'