[td-225] fix deadlock for client during query.

fix outdated package in pom.xml of opentsdb.

Update administrator-ch.md

[update config parameters]

set socket option

Update Super Table-ch.md

[TD-1021]

Feature/sync fc

add one more state SYNCING

add cassandra query test scripts.

[TD-1017]

[TD-1017]

Feature/query

first draft for sync flow control

Feature/platform