Groups: Add groups support to User, Host and Service

library/Director/Objects/IcingaHost.php

@@ -37,6 +37,8 @@ class IcingaHost extends IcingaObject
 
     protected $supportsCustomVars = true;
 
+    protected $supportsGroups = true;
+
     protected function renderCheck_command_id()
     {
         return $this->renderCommandProperty($this->check_command_id);

library/Director/Objects/IcingaService.php

@@ -34,6 +34,8 @@ class IcingaService extends IcingaObject
         'object_type'           => null,
     );
 
+    protected $supportsGroups = true;
+
     protected function renderCheck_command_id()
     {
         return $this->renderCommandProperty($this->check_command_id);

library/Director/Objects/IcingaUser.php

@@ -18,6 +18,8 @@ class IcingaUser extends IcingaObject
         'object_type'           => null,
     );
 
+    protected $supportsGroups = true;
+
     protected function renderEnable_notifications()
     {
         return $this->renderBooleanProperty('enable_notifications');