search and 404 page

_includes/google_search.html

@@ -0,0 +1,8 @@
+<script language="Javascript" type="text/javascript">
+  function google_search()
+  {
+    var query = document.getElementById("google-search").value;
+    window.open("http://google.com/search?q=" + query
+  + "%20site:" + "{{ site.url }}");
+  }
+</script>

pages/404.md

@@ -0,0 +1,18 @@
+---
+layout: page
+title: "404"
+subheadline: "Oops! There is noting here..."
+description: "..., this is an error-page. Maybe the webpage moved or we deleted it. Or did you maybe mistype the URL?"
+permalink: "/404.html"
+---
+## No problem!
+
+Try...  
+...to start over on the [home page]({{ site.url }}).
+...our **search**.
+
+{% include google_search.html %}
+
+<form onsubmit="google_search()" >
+  <input type="text" id="google-search">
+</form>

pages/roadmap.md

@@ -14,8 +14,6 @@ permalink: "/roadmap/"
 * Convert Foundation Sass to use native Jekyll Sass support
 * Create custom 404.html-webpage <https://help.github.com/articles/custom-404-pages/>
 * More post-formats for blogging like special post formats for links, audio, tweets,...
-* Patterns for header
-* Alternative non-landscape header
 * [Submit *Feeling Responsive* to jekyllthemes.org](http://jekyllthemes.org/)
 * Produce some small tutorials to show features and how to customize *Feeling Responsive*
 * Optimize HTML and use Schema.org-Attributes › <http://schema.org/Article>
@@ -24,6 +22,8 @@ permalink: "/roadmap/"
 
 ## Done
 
+* <s>Alternative non-landscape header</s>
+* <s>Patterns for header</s>
 * <s>Clean up color scheme and highlighting colors</s>
 * <s>Make theme translation ready</s>
 * [<s>Add draft-templates for new pages/posts</s>](https://github.com/Phlow/feeling-responsive/tree/gh-pages/_drafts)