- Moves Import and Export under ImportExport namespace

- Cretes a single BootStrapMenu class for Import and Export
- Updates tests
- Adds 2 new methods to Segments model

lib/Router/Import.php

@@ -1,7 +1,7 @@
 <?php
 namespace MailPoet\Router;
 
-use MailPoet\Import\MailChimp;
+use MailPoet\ImportExport\Import\MailChimp;
 use MailPoet\Models\CustomField;
 use MailPoet\Models\Segment;
 
@@ -49,7 +49,7 @@ class Import {
   }
 
   function process($data) {
-    $import = new \MailPoet\Import\Import(json_decode($data, true));
+    $import = new \MailPoet\ImportExport\Import\Import(json_decode($data, true));
     wp_send_json($import->process());
   }
 }

lib/Router/Segments.php

@@ -55,6 +55,7 @@ class Segments {
         )
         ->findOne()->asArray();
 
+      !d(\ORM::get_last_query());exit;
       $item = array_merge($item, $stats);
 
       $item['subscribers_url'] = admin_url(