ACCUMULO-969 moved delete flag into column update to match client Mutation type

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1436912 13f79535-47bb-0310-9956-ffa450edef68
ACCUMULO-875 made list compactions API return files being compacted instead of a count.  Shell still shows a count

git-svn-id: https://svn.apache.org/repos/asf/accumulo/trunk@1436995 13f79535-47bb-0310-9956-ffa450edef68