Merge branch 'remove-absurl' into 'master'

Remove absURL to fix URL generation on production location.

See merge request !37

layouts/partials/custom-head.html

 <link rel="stylesheet" href="/css/custom.css">
 <link href="//cloud.typography.com/7717652/616662/css/fonts.css" type="text/css" rel="stylesheet">
-{{ if isset .Params "scripts" }}{{ range .Params.scripts }}<script src="{{ printf "%s" . | absURL }}"></script>{{ end }}{{ end }}
-{{ if isset .Params "css" }}{{ range .Params.css }}<link rel="stylesheet" href="{{ printf "%s" . | absURL }}">{{ end }}{{ end }}
+{{ if isset .Params "scripts" }}{{ range .Params.scripts }}<script src="{{ printf "%s" . }}"></script>{{ end }}{{ end }}
+{{ if isset .Params "css" }}{{ range .Params.css }}<link rel="stylesheet" href="{{ printf "%s" . }}">{{ end }}{{ end }}