HBASE-8444 Acknowledge that 0.95+ requires 1.0.3 hadoop at least

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1476036 13f79535-47bb-0310-9956-ffa450edef68
HBASE-8271 Book updates for changes to GC options in shell scripts

git-svn-id: https://svn.apache.org/repos/asf/hbase/trunk@1476037 13f79535-47bb-0310-9956-ffa450edef68