HBASE-11521 Modify pom.xml to copy the images/ and css/ directories to the right location for the Ref Guide to see them correctly (Misty Stanley-Jones)
HBASE-11520 Simplify offheap cache config by removing the confusing "hbase.bucketcache.percentage.in.combinedcache"
Add a upgrading to 1.0 section to the upgrade part of the book; talk about HBASE-11520 removing hbase.bucketcache.percentage.in.combinedcache