Fix asset paths when baseURL has sub-folder (#103)

Anthony Fok

17.54.2018 89c26174a48f786f728c57d78fa53ffc100389c0

 layouts/_default/baseof.html

@@ -19,7 +19,7 @@

    {{ $stylesheet := .Site.Data.webpack_assets.app }}
    {{ with $stylesheet.css }}
      <link href="{{ absURL (printf "%s%s" "/dist/" .) }}" rel="stylesheet">
      <link href="{{ relURL (printf "%s%s" "dist/" .) }}" rel="stylesheet">
    {{ end }}

    {{ range .Site.Params.custom_css }}