#1300 Create a cleanup report to find pub series needing disambiguation

[Ahasuerus]

Create a cleanup report to find publication series which may need disambiguation. It should be similar to the cleanup report "Series Names That May Need Disambiguation" -- see http://www.isfdb.org/cgi-bin/edit/cleanup_report.cgi?144

[Ahasuerus]

Implemented in:

edit/cleanup_lib.py
edit/cleanup_report.py
nightly/nightly_job.py
nightly/nightly_transliterations.py

Installed in SVN 460 on 2019-10-04. Closing the FR.