Merge pull request #1041 from matrix-org/dbkr/reset_first_sync_promise

Reset 'first sync' flag / promise on log in

src/components/structures/MatrixChat.js

@@ -927,6 +927,10 @@ module.exports = React.createClass({
             dis.dispatch({action: 'view_home_page'});
         } else if (this._is_registered) {
             this._is_registered = false;
+            // reset the 'have completed first sync' flag,
+            // since we've just logged in and will be about to sync
+            this.firstSyncComplete = false;
+            this.firstSyncPromise = q.defer();
 
             // Set the display name = user ID localpart
             MatrixClientPeg.get().setDisplayName(