HBASE-9856 Fix some findbugs Performance Warnings



git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1546888 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9718. Add a test scope dependency on org.slf4j:slf4j-api to hbase-client

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1546892 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9631. Add murmur3 hash

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1546894 13f79535-47bb-0310-9956-ffa450edef68
HBASE-9502. HStore.seekToScanner should handle magic value (Liang Xie)

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1546925 13f79535-47bb-0310-9956-ffa450edef68