Merge branch '77-change-name-to-omnibus-gitlab' into 'master'

Fixed product name

Closes #77

![Screen_Shot_2016-10-12_at_14.18.02](/uploads/86683eb5e1cc544e7253ba2ac7f70b1c/Screen_Shot_2016-10-12_at_14.18.02.png)

See merge request !42

index.html

@@ -63,10 +63,10 @@
           <a href="/omnibus/">
             <div class="wrapper">
               <div class="circle">OM</div>
-              <h2>GitLab Omnibus</h2>
+              <h2>Omnibus GitLab</h2>
               <p>
                 Browse installation, configuration, maintenance and troubleshooting
-                documentation for GitLab Omnibus.
+                documentation for Omnibus GitLab.
               </p>
             </div>
           </a>