fix issues with featured image

Bud Parr

15.03.2017 ea887e9313f8e76c1c42a9048f2e4a1325cf1ecf

 layouts/partials/page-header.html

@@ -1,5 +1,5 @@
{{ if .Params.featured_image }}
  <header class="cover bg-center"{{ with .Params.featured_image }} style="background-image: url('{{ . }}');"{{ end }}>
  <header class="cover bg-center" style="background-image: url('{{ .Params.featured_image  | absURL }}');">
    <div class="pb3-m pb6-l bg-black-60">
      {{ partial "site-navigation.html" . }}
      <div class="tc-l pv6 ph3 ph4-ns">