tree 8cd63297a62be1b90601fbe70ccbc22644615f7d
parent e94a2bcfa82be0e24a49585b50dfdd0c3dfeb2e7
author Junping Du <junping_du@apache.org> 1484687338 -0800
committer Junping Du <junping_du@apache.org> 1484687452 -0800

Update document to reflect right versions, new features and big improvements on 2.8 release.

(cherry picked from commit fbcc45c8d1f0c72fa72466515a7443075a28c71e)