Program to extract transaction info from region servers

Shows transaction status per regions and region servers.
The following transactions can be found:
    active
    committed
    in-doubt

Added option to show metadata tables and to show ID of committed transactions.

Added Copyrights.

Change-Id: Iaaa00343dc439d50afdde5c6f58afee74980992f
Merge "Program to extract transaction info from region servers"