DataTorrent/Malhar — pull request #1037 by ilooner (2014-08-29 21:26:00+00:00)
Title: MLHR-1367 #resolve

* Added aggregate counters for AbstractFSDirectoryInputOperator
* Implemented counters with basic counters
* added javadoc
* fixed NullPointerException in stats listener of AbstractThroughputHashFSDirectoryInputOperator