Rev2180, Allow ajax requests using ajax_key http get parameter

src/Ui/template/wrapper.html

@@ -60,6 +60,7 @@ document.getElementById("inner-iframe").src = "{file_url}{query_string}"
 address = "{address}"
 wrapper_nonce = "{wrapper_nonce}"
 wrapper_key = "{wrapper_key}"
+ajax_key = "{ajax_key}"
 postmessage_nonce_security = {postmessage_nonce_security}
 file_inner_path = "{file_inner_path}"
 permissions = {permissions}