Moved timeline iterator to record namespace.

src/Manager/Toolbar_Manager.php

@@ -4,7 +4,7 @@ namespace Rarst\Laps\Manager;
 
 use Rarst\Laps\Record\Recursive_Record_Iterator;
 use Rarst\Laps\Laps;
-use Rarst\Laps\Timeline_Iterator;
+use Rarst\Laps\Record\Timeline_Iterator;
 
 class Toolbar_Manager {
 

src/Record/Timeline_Iterator.php

@@ -1,9 +1,6 @@
 <?php
 
-namespace Rarst\Laps;
-
-use Rarst\Laps\Record\Record_Interface;
-use Rarst\Laps\Record\Recursive_Record_Iterator;
+namespace Rarst\Laps\Record;
 
 class Timeline_Iterator implements \Iterator {