n levels data life period.
Fix multicast bug of dservice
Add alterURI support to MetaStoreClient
Merge remote-tracking branch 'origin/zhuqihan' into macan
Add replicate copy cmd: rsync. -C 'rsync -rp --partial' works
Add new table/file distribution monitor, online to 228.69.6 now.
Add tooltips to getdata htmls.
Format main.html