slapos_jio: Allow configure the url where the token will be used per website

master/bt5/slapos_jio/SkinTemplateItem/portal_skins/slapos_hal_json_style/Base_getComputerToken.py

@@ -5,7 +5,11 @@ person = portal.portal_membership.getAuthenticatedMember().getUserValue()
 
 web_site = context.getWebSiteValue()
 request_method = "POST"
-request_url = "%s/%s" % (web_site.absolute_url(), "Person_requestComputer")
+
+slapos_master_web_url = web_site.getLayoutProperty(
+    "configuration_slapos_master_web_url", web_site.absolute_url())
+
+request_url = "%s/%s" % (slapos_master_web_url, "Person_requestComputer")
 
 access_token = portal.access_token_module.newContent(
   portal_type="One Time Restricted Access Token",
@@ -15,7 +19,6 @@ access_token = portal.access_token_module.newContent(
 )
 access_token.validate()
 
-
 slapos_master_api = web_site.getLayoutProperty(
     "configuration_slapos_master_api", "https://slap.vifib.com")
 
@@ -28,5 +31,5 @@ response = request.RESPONSE
 response.setHeader('Content-Type', "application/json")
 return json.dumps({'access_token': access_token.getId(),
                    'command_line': computer_install_command_line,
-                   'slapos_master_web': web_site.absolute_url(),
+                   'slapos_master_web': slapos_master_web_url,
                    'slapos_master_api': slapos_master_api})