Add a link to Bitnami installation page

Author: Nicolas Rodriguez

Diff for: _includes/header.html

@@ -54,6 +54,7 @@
             <li class="divider"></li>
             <li><a href="{{ site.baseurl }}/guide/addons-installation/">Addons Installation</a></li>
             <li><a href="{{ site.baseurl }}/guide/redmine-installation/">Redmine Installation</a></li>
+            <li><a href="{{ site.baseurl }}/guide/bitnami-installation/">Bitnami Installation</a></li>
             <li class="divider"></li>
             <li><a href="{{ site.baseurl }}/guide/development/">Development Guide</a></li>
           </ul>

Diff for: guide/bitnami-installation/index.md

@@ -6,7 +6,7 @@ title: Bitnami installation
 ### {{ page.title }}
 ***
 
-As Bitnami override some internal paths needed to build native Ruby extension you must compile libgit2 yourself before installing Redmine Git Hosting.
+As Bitnami override some internal paths needed to build native Ruby extension you must compile libgit2 yourself [**before** installing Redmine Git Hosting]({{ site.baseurl }}/howtos/install).
 
 Here's the steps :