[AL-1236] Added XMLHttpRequest to published map openlayers setuup
[AL-1236] Added XMLHttpRequest to published map openlayers setuup

uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend,uhef/Oskari-Routing-frontend