tvshowmatching: match names without season (foo.E01)
tvshowmatching: allow digits after 'part'. e.g. foo.part.1
add tests for EnumerateEpisodeItem
[videodb] some tvshow linked tables (e.g. seasons) weren't cleaned in some cases where a tvshow is removed from disk and clean library run
[videodb] Fix MySQL breakage when cleaning up path table during video library clean
Merge pull request #5006 from jmarshallnz/season_clean

[videodb] some tvshow linked tables (e.g. seasons) weren't cleaned
Merge pull request #5007 from MilhouseVH/mysql_path_fix

[videodb] Fix MySQL breakage when cleaning up path table during video library clean
Merge pull request #4966 from tamland/tvregex

Relax tv show matching for names without season