message: be explicit in remove button height
diff: @@ -1324,7 +1324,7 @@ module.exports = React.createClass({
  <div className="mx_UserSettings_avatarPicker">
  <div className="mx_UserSettings_avatarPicker_remove" onClick={this.onAvatarRemoveClick}>
  - <img src="img/cancel.svg" width="15"
  + <img src="img/cancel.svg" width="15" height="15"
  alt={_t("Remove avatar")} title={_t("Remove avatar")} />
  </div>
  <div onClick={this.onAvatarPickerClick} className="mx_UserSettings_avatarPicker_imgContainer">
  