temp solution to make room settings usable

make mx_fadable not do anything anymore, and make room settings
full size.

Room settings haven't been designed yet, so all of this will
have a full pass when we have a go at it.

src/components/structures/RoomView.js

@@ -1666,6 +1666,7 @@ module.exports = React.createClass({
 
         const auxPanel = (
             <AuxPanel ref="auxPanel" room={this.state.room}
+              fullHeight={this.state.editingRoomSettings}
               userId={MatrixClientPeg.get().credentials.userId}
               conferenceHandler={this.props.ConferenceHandler}
               draggingFile={this.state.draggingFile}