Support modifying ways

js/id/format/xml.js

@@ -93,6 +93,7 @@ iD.format.XML = {
                     nd: entity.nodes.map(function(e) {
                         return { keyAttributes: { ref: e.id.replace('n', '') } };
                     }),
+                    '@version': (entity.version || 0),
                     tag: _.map(entity.tags, function(v, k) {
                         return { keyAttributes: { k: k, v: v } };
                     })

js/id/renderer/map.js

@@ -376,7 +376,7 @@ iD.Map = function(elem, connection) {
     inspector.on('changeTags', function(d, tags) {
         var entity = map.history.graph().entity(d.id);
         map.perform(iD.actions.changeTags(entity, tags));
-    }).on('changeWayDirection', function(d, tags) {
+    }).on('changeWayDirection', function(d) {
         map.perform(iD.actions.changeWayDirection(d));
     }).on('remove', function(d) {
         map.perform(iD.actions.remove(d));

js/id/ui/inspector.js

@@ -32,7 +32,7 @@ iD.Inspector = function() {
                 .text('Reverse Direction')
                 .on('click', function(d) {
                     event.changeWayDirection(iD.Entity(d, {
-                        nodes: _.pluck(d.nodes.slice().reverse(), 'id')
+                        nodes: _.pluck(d.nodes.reverse(), 'id')
                     }));
                 });
         }