adding breadcrumbs to the jekyll layouts

www/_layouts/page.html

@@ -2,6 +2,9 @@
 layout: default
 ---
 
+<div id="breadcrumbs">
+  <a href="{{ '/' | prepend: site.baseurl }}">Home</a>
+</div>
 <div class="page">
   <h1 class="page-title">{{ page.title }}</h1>
   {{ content }}

www/_layouts/post.html

@@ -2,6 +2,10 @@
 layout: default
 ---
 
+<div id="breadcrumbs">
+  <a href="{{ '/' | prepend: site.baseurl }}">Home</a>
+  <a href="{{ '/posts' | prepend: site.baseurl  }}">Blog</a>
+</div>
 <div class="post">
   <h1 class="post-title">{{ page.title }}</h1>
   <span class="post-date">{{ page.date | date_to_string }}</span>

www/_layouts/wiki.html

@@ -2,7 +2,14 @@
 layout: default
 ---
 
-<div class="page">
+<div id="breadcrumbs">
+  <a href="{{ '/' | prepend: site.baseurl }}">Home</a>
+  {% assign wikihome = '/wiki/home.html' | prepend: site.baseurl %}
+  {% if page.url != wikihome %}
+  <a href="{{ wikihome }}">Wiki</a>
+  {% endif %}
+</div>
+<div class="page wiki">
   <h1 class="page-title">{{ page.title }}</h1>
   {{ content }}
 </div>

www/_sass/_header.scss

@@ -1,3 +1,17 @@
+#breadcrumbs {
+  margin-bottom: 1.8em;
+
+  a {
+    padding-right: 10px;
+  }
+
+  a+a:before {
+    padding-right: 10px;
+    color: $color-body-text;
+    content: "/\00a0";
+  }
+}
+
 .header {
   padding: 3em 0 2em;
   text-align: center;