refac(env): change GitHub env vars

Author: Pablo Vieira

_config_test.yml

@@ -1,5 +1,5 @@
 url: ""
 
+# GitHub Pages environment: https://help.github.com/articles/repository-metadata-on-github-pages/
 github:
-  repository_nwo: "pv8/pv8.github.io"
-  owner_url: "https://github.com/pv8"
+  repository_url: "https://github.com/pv8/pv8.github.io"

_layouts/post.html

@@ -31,7 +31,7 @@ <h1 class="post-title"><a href="{{ page.url }}" itemprop="name">{{ page.title }}
   </article>
 
   <div class="post-footer">
-    <p><a href="https://github.com/{{ site.github.repository_nwo }}/edit/{{ site.branch }}/{{ page.path }}">Help improve this content</a>.</p>
+    <p><a href="{{ site.github.repository_url }}/edit/{{ site.branch }}/{{ page.path }}">Help improve this content</a>.</p>
   </div>
 
   {% if site.related_posts.size > 0 %}

index.html

@@ -31,7 +31,7 @@ <h4>About this site</h4>
         and hosted on <a href="https://pages.github.com/" target="_blank" rel="noopener">GitHub Pages</a>.
         <br/>
         {% assign github = site.data.social-profiles | where:"name","GitHub" %}
-        Fork it on <a href="{{ github[0].url }}/pv8.github.io">GitHub</a>.
+        Fork it on <a href="{{{ site.github.repository_url }}">GitHub</a>.
       </p>
     </div>
     <!-- {% include main-footer.html %} -->