Initial implementation

app/assets/stylesheets/print.scss

+/* Generic print styles */
+header, nav, nav.main-nav, nav.navbar-collapse, nav.navbar-collapse.collapse {display: none!important;}
+.profiler-results {display: none;}
+
+/* Styles targeted specifically at printing files */
+.tree-ref-holder, .tree-holder .breadcrumb, .blob-commit-info {display: none;}
+.file-title {display: none;}
+.file-holder {border: none;}
+
+.wiki h1, .wiki h2, .wiki h3, .wiki h4, .wiki h5, .wiki h6 {margin-top: 17px; }
+.wiki h1 {font-size: 30px;}
+.wiki h2 {font-size: 22px;}
+.wiki h3 {font-size: 18px; font-weight: bold; }

app/views/layouts/_head.html.haml

@@ -4,7 +4,8 @@
     = "#{title} | " if defined?(title)
     GitLab
   = favicon_link_tag 'favicon.ico'
-  = stylesheet_link_tag    "application"
+  = stylesheet_link_tag    "application", :media => "all"
+  = stylesheet_link_tag    "print", :media => "print"
   = javascript_include_tag "application"
   = csrf_meta_tags
   = include_gon