generic account data support

lib/sync.js

@@ -605,7 +605,19 @@ SyncApi.prototype._processSyncResponse = function(syncToken, data) {
         });
     }
 
-    // the returned json structure is abit crap, so make it into a
+    // handle non-room account_data
+    if (data.account_data && utils.isArray(data.account_data.events)) {
+        client.store.storeAccountDataEvents(
+            data.account_data.events.map(client.getEventMapper()).map(
+                function(accountDataEvent) {
+                    client.emit("accountData", accountDataEvent);
+                    return accountDataEvent;
+                }
+            )
+        );
+    }
+
+    // the returned json structure is a bit crap, so make it into a
     // nicer form (array) after applying sanity to make sure we don't fail
     // on missing keys (on the off chance)
     var inviteRooms = [];