Do not capitalize categories, use facebook in english.

_includes/categories-list.html

@@ -1,8 +1,8 @@
 <div class="widget categories-list">
-  <h3 class="widget-title">Blog categories:</h3>
+  <h3 class="widget-title">Blog Categories</h3>
   <ul>
   {% for category in site.categories %}
-    <li><a href="/blog/categories.html#{{ category | first }}">{{ category | first | capitalize }}</a></li>
+    <li><a href="/blog/categories.html#{{ category | first }}">{{ category | first }}</a></li>
   {% endfor %}
   </ul>
 </div>

_includes/other-links.html → _includes/important-links.html

@@ -1,5 +1,5 @@
 <div class="widget">
-  <h3 class="widget-title">Other Links</h3>
+  <h3 class="widget-title">Important Links</h3>
   <ul>
     <li>#elixir-lang on freenode IRC</li>
     <li><a href="http://twitter.com/elixirlang" target="_blank">Twitter</a></li>

_layouts/blog.html

@@ -0,0 +1,13 @@
+{% include top.html %}
+
+<div id="content">
+  {{ content }}
+</div><!-- #content -->
+
+<div id="sidebar-primary" class="sidebar">
+  {% include search.html %}
+  {% include categories-list.html %}
+  {% include important-links.html %}
+</div>
+
+{% include bottom.html %}

_layouts/default.html

@@ -4,5 +4,10 @@
   {{ content }}
 </div><!-- #content -->
 
-{% include sidebar.html %}
+<div id="sidebar-primary" class="sidebar">
+  {% include search.html %}
+  {% include important-links.html %}
+  {% include categories-list.html %}
+</div>
+
 {% include bottom.html %}

_layouts/post.html

@@ -1,14 +1,14 @@
 ---
 section: blog
-layout: default
+layout: blog
 ---
 
 <div class="hfeed">
   <div class="hentry post">
     <div class="post-content">
       <div class="sticky-header">
         <h1>{{ page.title }}</h1>
-        <div class="byline">{{ page.date | date: "%B %d, %Y" }}{% if page.author %} · by {{ page.author}}{% endif %} . in {% for category in page.categories %}<span class="category"><a href="/blog/categories.html#{{category}}">{{ category | capitalize }}</a>{% endfor %}</div>
+        <div class="byline">{{ page.date | date: "%B %d, %Y" }}{% if page.author %} · by {{ page.author}}{% endif %} . in {% for category in page.categories %}<span class="category"><a href="/blog/categories.html#{{category}}">{{ category }}</a>{% endfor %}</div>
       </div><!-- .sticky-header -->
 
       <div class="entry-content">
@@ -28,7 +28,7 @@ <h1>{{ page.title }}</h1>
               var js, fjs = d.getElementsByTagName(s)[0];
               if (d.getElementById(id)) return;
               js = d.createElement(s); js.id = id;
-              js.src = "//connect.facebook.net/pt_BR/all.js#xfbml=1";
+              js.src = "//connect.facebook.net/en_US/all.js#xfbml=1";
               fjs.parentNode.insertBefore(js, fjs);
             }(document, 'script', 'facebook-jssdk'));</script>
             <div class="fb-like" data-send="false" data-layout="button_count" data-width="100" data-show-faces="true"></div>

blog/categories.html

@@ -1,7 +1,7 @@
 ---
 title: Posts by category
 section: blog
-layout: default
+layout: blog
 ---
 
 <div class="hfeed">

blog/index.html

@@ -1,15 +1,15 @@
 ---
 title: Blog
 section: blog
-layout: default
+layout: blog
 ---
 
 <div class="hfeed">
   {% for post in site.posts %}
     <div class="hentry post">
       <div class="sticky-header">
         <h2 class="entry-title"><a href="{{ post.url }}" title="{{ post.title }}" rel="bookmark">{{ post.title }}</a></h2>
-        <div class="byline">{{ post.date | date: "%B %d, %Y" }}{% if post.author %} · by {{ post.author}}{% endif %} . in {% for category in post.categories %}<span class="category"><a href="/blog/categories.html#{{category}}">{{ category | capitalize }}</a>{% endfor %}</div>
+        <div class="byline">{{ post.date | date: "%B %d, %Y" }}{% if post.author %} · by {{ post.author}}{% endif %} . in {% for category in post.categories %}<span class="category"><a href="/blog/categories.html#{{category}}">{{ category }}</a>{% endfor %}</div>
       </div><!-- .sticky-header -->
 
       <div class="entry-summary">