Add social link to user profile on ambassador page

Display the twitter account of ambassadors on the ambassador page.
- groups_social_link formatter module for link_fields
- fontawesome iconset to support font icons (CDN version)
- update of user profiles's profile teaser display suite settings

Change-Id: Ieba3b5ff047792625fdb23fb7ab498ee355e9dfc

themes/openstack_bootstrap/custom-sass/partials/_ambassadors.scss

@@ -50,9 +50,12 @@
     font-family: "Open Sans",Helvetica,Arial,sans-serif;
     color: #445059;
   }
+  .views-row {
+    margin-bottom: 2em;
+  }
   h3 {
     margin-top: 10px;
-    margin-bottom: 20px;
+    margin-bottom: 0px;
     a {
       color: #2A4E68;
       font-family: "Open Sans",Helvetica,Arial,sans-serif;
@@ -61,6 +64,16 @@
       line-height: 20px;
     }
   }
+  .social-link {
+    font-size: 12px;
+    i {
+      color: #888;
+      padding-right: 0.2em;
+    }
+    a {
+      color: #888;
+    }
+  }
 }
 
 // override of page defaults

themes/openstack_bootstrap/template.php

@@ -22,6 +22,7 @@ function openstack_bootstrap_preprocess_page(&$variables) {
     unset($variables['navbar_classes_array'][$key]);
     $variables['navbar_classes_array'][] = 'navbar-os';
   }
+  drupal_add_css('//netdna.bootstrapcdn.com/font-awesome/4.4.0/css/font-awesome.css', array('type' => 'external'));
 }
 
 /**