Move plugins to a subdirectory for other modules to easier implement simple_sitemap plugins

src/Plugin/LinkGenerator/CommerceProductType.php → src/Plugin/simple_sitemap/LinkGenerator/CommerceProductType.php

 <?php
 /**
  * @file
- * Contains \Drupal\simple_sitemap\Plugin\LinkGenerator\CommerceProductType.
+ * Contains \Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator\CommerceProductType.
  *
  * Plugin for commerce product entity link generation.
  */
 
-namespace Drupal\simple_sitemap\Plugin\LinkGenerator;
+namespace Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator;
 
 use Drupal\simple_sitemap\LinkGeneratorBase;
 

src/Plugin/LinkGenerator/Menu.php → src/Plugin/simple_sitemap/LinkGenerator/Menu.php

 <?php
 /**
  * @file
- * Contains \Drupal\simple_sitemap\LinkGenerator\Menu.
+ * Contains \Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator\Menu.
  *
  * Plugin for menu entity link generation.
  */
 
-namespace Drupal\simple_sitemap\Plugin\LinkGenerator;
+namespace Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator;
 
 use Drupal\simple_sitemap\LinkGeneratorBase;
 

src/Plugin/LinkGenerator/NodeType.php → src/Plugin/simple_sitemap/LinkGenerator/NodeType.php

 <?php
 /**
  * @file
- * Contains \Drupal\simple_sitemap\Plugin\LinkGenerator\NodeType.
+ * Contains \Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator\NodeType.
  *
  * Plugin for node entity link generation.
  */
 
-namespace Drupal\simple_sitemap\Plugin\LinkGenerator;
+namespace Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator;
 
 use Drupal\simple_sitemap\LinkGeneratorBase;
 

src/Plugin/LinkGenerator/TaxonomyVocabulary.php → src/Plugin/simple_sitemap/LinkGenerator/TaxonomyVocabulary.php

 <?php
 /**
  * @file
- * Contains \Drupal\simple_sitemap\LinkGenerator\TaxonomyVocabulary.
+ * Contains \Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator\TaxonomyVocabulary.
  *
  * Plugin for taxonomy term entity link generation.
  */
 
-namespace Drupal\simple_sitemap\Plugin\LinkGenerator;
+namespace Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator;
 
 use Drupal\simple_sitemap\LinkGeneratorBase;
 

src/Plugin/LinkGenerator/User.php → src/Plugin/simple_sitemap/LinkGenerator/User.php

 <?php
 /**
  * @file
- * Contains \Drupal\simple_sitemap\Plugin\LinkGenerator\User.
+ * Contains \Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator\User.
  *
  * Plugin for user link generation.
  */
 
-namespace Drupal\simple_sitemap\Plugin\LinkGenerator;
+namespace Drupal\simple_sitemap\Plugin\simple_sitemap\LinkGenerator;
 
 use Drupal\simple_sitemap\LinkGeneratorBase;
 

src/SimplesitemapManager.php

@@ -27,7 +27,7 @@ class SimplesitemapManager extends DefaultPluginManager {
    *   The module handler to invoke the alter hook with.
    */
   public function __construct(\Traversable $namespaces, CacheBackendInterface $cache_backend, ModuleHandlerInterface $module_handler) {
-    parent::__construct('Plugin/LinkGenerator', $namespaces, $module_handler, 'Drupal\simple_sitemap\LinkGeneratorInterface', 'Drupal\simple_sitemap\Annotation\LinkGenerator');
+    parent::__construct('Plugin/simple_sitemap/LinkGenerator', $namespaces, $module_handler, 'Drupal\simple_sitemap\LinkGeneratorInterface', 'Drupal\simple_sitemap\Annotation\LinkGenerator');
 
     $this->alterInfo('simple_sitemap_link_generators_info');
     $this->setCacheBackend($cache_backend, 'simple_sitemap_link_generators');