ARGUS-39: hbase:meta table is now added to special table list. Get/Scan
access to these tables will not be audited. Audit log updated to include
client ip-address when available.
Merge branch 'master' of https://git-wip-us.apache.org/repos/asf/incubator-argus
ARGUS-39: added handler for TableAlreadyException (hbase:acl) during
init.