Change the deprecated pygments option to highlighter on _config.yml.
Change the deprecated pygments option to highlighter on _config.yml.

flibbertigibbet/hekyll,bmcmurray/hekyll,peterhil/impressionist,peterhil/impressionist,bmcmurray/hekyll,flibbertigibbet/hekyll,flibbertigibbet/hekyll,bmcmurray/hekyll,peterhil/impressionist