ACCUMULO-1795 Default Hadoop 1.0 to 0.20.203.0.

Signed-off-by: Eric Newton <eric.newton@gmail.com>
ACCUMULO-1793 make the default hadoop-2.2.0
Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT
Merge branch '1.5.1-SNAPSHOT' into 1.6.0-SNAPSHOT
Merge branch '1.6.0-SNAPSHOT' of https://git-wip-us.apache.org/repos/asf/accumulo into 1.6.0-SNAPSHOT
ACCUMULO-1934 cleaning up imports, dead code, unused vars
Merge branch '1.4.5-SNAPSHOT' into 1.5.1-SNAPSHOT
Merge branch '1.5.1-SNAPSHOT' into 1.6.0-SNAPSHOT
ACCUMULO-1932 Make the agitator a little more robust, not relying on start-dfs.sh to minimize the amount of chatter
across the network to only restart one datanode.
ACCUMULO-1932 Add note to continuous-ingest README that agitator needs to be run as `root`.
Merge branch '1.5.1-SNAPSHOT' into 1.6.0-SNAPSHOT