Merge pull request #715 from matrix-org/luke/mels-scrolling-fix

MELS: check scroll on load + use mels-1,-2,... key

src/components/structures/MessagePanel.js

@@ -349,7 +349,9 @@ module.exports = React.createClass({
                     <MemberEventListSummary
                         key={key}
                         events={summarisedEvents}
-                        data-scroll-token={eventId}>
+                        data-scroll-token={eventId}
+                        onToggle={this._onWidgetLoad} // Update scroll state
+                    >
                             {eventTiles}
                     </MemberEventListSummary>
                 );