1) Make RealtimeIndexTask merge results like it should
Fixes compilation error to accomodate multiple generic constraints in CharStream.

[ERROR] /Users/bone/git/boneill42/druid/indexer/src/main/java/com/metamx/druid/indexer/HadoopDruidIndexerNode.java:[100,39] cannot find symbol
[ERROR] symbol  : method toString(<anonymous com.google.common.io.InputSupplier<java.lang.Readable>>)
Eclipse formatting file.  (only what I inferred from a few files)