HBASE-10693 Correct declarations of Atomic* fields from 'volatile' to 'final' (Honghua)



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1575059 13f79535-47bb-0310-9956-ffa450edef68
HBASE-10687 Fix description about HBaseLocalFileSpanReceiver in reference manual (Masatake Iwasaki)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1575092 13f79535-47bb-0310-9956-ffa450edef68