[M] Change of label attribute for customer

Author: Oscar-Wagento

src/app/code/community/Zendesk/Zendesk/data/zendesk_setup/data-upgrade-2.0.6-2.1.13.php

@@ -23,7 +23,7 @@
 $installer->addAttribute("customer", "zendesk_id",  array(
     "type"     => "varchar",
     "backend"  => "",
-    "label"    => "zendesk_id",
+    "label"    => "Zendesk Id",
     "input"    => "text",
     "source"   => "",
     "visible"  => true,