Merge branch 'fix-autoredirect' into 'develop'

split url for dns redirect

See merge request R3/howto-cards!24

.ci/.autoRedirect

@@ -15,12 +15,22 @@
         });
     }
     UrlExists('https://r3-core.pages.uni.lu/howto-cards-internal/index.html', function(status){
+        var s = window.location.pathname;
+        var pathArray = s.split('/');
+
+        // cut the entire subdomain path
+        if (pathArray[0].length > 0) {
+            sub = s.substr(pathArray[0].length+1);
+        } else {
+            sub = '';
+        }
+
         if(status === 200){
             // internal pages
-            window.location.href = 'https://r3-core.pages.uni.lu/howto-cards-internal/stable';
+            window.location.href = 'https://r3-core.pages.uni.lu/howto-cards-internal/stable/internal/'+sub;
         } else {
             // external pages
-            window.location.href = 'https://r3.pages.uni.lu/howto-cards/stable';
+            window.location.href = 'https://r3.pages.uni.lu/howto-cards/stable/external/'+sub;
         }
     });
     </script>