Finalize offline sync code, mainly working now.
Add top-level datacenter, but hive CLI is panic now.
Merge remote-tracking branch 'origin/zjw' into macan, bug fix.
Fix the HiveServer HMSHandler null pointer bug on createDefaultDb_core().
Cleanups for across-center metastore access; Add new node/device tools.
add msg send,busitype rpc and partition bug fix
add file and lib jars