slapos_jio: use jio api method call for create compute node and token

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

-import json
-
-portal = context.getPortalObject()
-person = portal.portal_membership.getAuthenticatedMember().getUserValue()
-
-web_site = context.getWebSiteValue()
-slapos_master_web_url = web_site.getLayoutProperty(
-    "configuration_slapos_master_web_url",
-    default=web_site.absolute_url()
-  )
-
-request_url = "%s/%s" % (slapos_master_web_url, "Person_requestComputer")
-
-person.requestToken(request_url=request_url)
-access_token_id = context.REQUEST.get("token")
-
-slapos_master_api = web_site.getLayoutProperty(
-    "configuration_slapos_master_api", "https://slap.vifib.com")
-
-compute_node_install_command_line = web_site.getLayoutProperty(
-  "configuration_compute_node_install_command_line",
-  "wget https://deploy.erp5.net/slapos ; bash slapos")
-
-request = context.REQUEST
-response = request.RESPONSE
-response.setHeader('Content-Type', "application/json")
-return json.dumps({'access_token': access_token_id,
-                   'command_line': compute_node_install_command_line,
-                   'slapos_master_web': slapos_master_web_url,
-                   'slapos_master_api': slapos_master_api})
+return context.jIOWebSection_createComputeNode({
+  "portal_type": "Compute Node",
+}, "Base_getComputeNodeToken")