2020-12-09 Alibaba Cloud.

    * version: 2.4.17
    * IMPROVE: add write_success field in full sync log metric.
    * IMPROVE: solve dup error in single_writer which is used when target
    mongodb version is 3.0.
    * IMPROVE: show source and target db version in configuration.
    * IMPROVE: enable NoCursorTimeout when source DB version >= 3.6. #451
    * IMPROVE: filter oplog.gid field when enable "filter.oplog.gids = true".
    #510