Merge pull request #99 from fh/master

Feature: Adding a call to get current users' organization memberships

Author: cursedcoder

lib/Github/Api/CurrentUser.php

@@ -76,6 +76,16 @@ public function notifications()
         return new Notifications($this->client);
     }
 
+    /**
+     * @link http://developer.github.com/v3/orgs/#list-user-organizations
+     *
+     * @return array
+     */
+    public function organizations()
+    {
+        return $this->get('user/orgs');
+    }
+
     /**
      * @link http://developer.github.com/v3/repos/#list-your-repositories
      *