Fix commas in author list (alshedivat#770)

Author: gzwongkk

_config.yml

@@ -376,8 +376,10 @@ external_links:
 # Filter out certain bibtex entry keywords used internally from the bib output
 filtered_bibtex_keywords: [abbr, abstract, arxiv, bibtex_show, html, pdf, selected, supp, blog, code, poster, slides, website, preview]
 
-# Maximum number of authors to be shown, other authors will be visible on hover, leave blank to show all authors
-max_author_limit: 3
+# Maximum number of authors to be shown for each publication (more authors are visible on click)
+max_author_limit: 3  # leave blank to always show all authors
+more_authors_animation_delay: 10  # more authors are revealed on click using animation; smaller delay means faster animation
+
 
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