Log Message:
gallery-dl: Update to 1.15.1

Changes:
1.15.1
------
### Additions
 - [hentaicafe] add `manga_id` metadata field (#1036)
 - [hentaifoundry] add support for stories (#734)
 - [hentaifoundry] add `include` option
 - [newgrounds] extract image embeds (#1033)
 - [nijie] add `include` option (#1018)
 - [reactor] match URLs without subdomain (#1053)
 - [twitter] extend `retweets` option (#1026)
 - [weasyl] add extractors (#977)

### Fixes
 - [500px] update query hashes
 - [behance] fix `collection` extraction
 - [newgrounds] fix video extraction (#1042)
 - [twitter] improve twitpic extraction (#1019)
 - [weibo] handle posts with more than 9 images (#926)
 - [xvideos] fix `title` extraction
 - fix crash when using `--download-archive` with `--no-skip` (#1023)
 - fix issues with `blacklist`/`whitelist` defaults (#1051, #1056)

### Removals
 - [kissmanga] remove module