Update XML Schema locations

Author: nikolaevas

etc/acl.xml

@@ -5,7 +5,7 @@
  * See COPYING.txt for license details.
  */
 -->
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/Acl/etc/acl.xsd">
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:Acl/etc/acl.xsd">
     <acl>
         <resources>
             <resource id="Magento_Backend::admin">

etc/adminhtml/di.xml

@@ -4,7 +4,7 @@
  * Copyright © 2015 Firebear Studio. All rights reserved.
  */
 -->
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
     <type name="Magento\ImportExport\Block\Adminhtml\Import\Edit\Form">
         <plugin name="firebear_importexport_source" type="Firebear\ImportExport\Plugin\Block\Import\Form" />
     </type>

etc/adminhtml/system.xml

@@ -5,7 +5,7 @@
  * See COPYING.txt for license details.
  */
 -->
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../Magento/Config/etc/system_file.xsd">
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Config:etc/system_file.xsd">
     <system>
         <tab id="firebear" translate="label" sortOrder="200">
             <label>Firebear Studio</label>

etc/config.xml

@@ -5,7 +5,7 @@
  * See COPYING.txt for license details.
  */
 -->
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../Magento/Store/etc/config.xsd">
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Store:etc/config.xsd">
     <default>
         <firebear_importexport>
             <ftp>

etc/di.xml

@@ -4,6 +4,6 @@
  * Copyright © 2015 Firebear Studio. All rights reserved.
  */
 -->
-<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="../../../../../lib/internal/Magento/Framework/ObjectManager/etc/config.xsd">
+<config xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:framework:ObjectManager/etc/config.xsd">
     <preference for="Firebear\ImportExport\Model\Source\ConfigInterface" type="Firebear\ImportExport\Model\Source\Config" />
 </config>