added comments for faq
Update java doc.
added DAG test for zeroMQ
deleted unused zeroMQ base files
basework for partitioning.
added comment for ZeroMQ and RabbitMQ
recover getTuple function
changed SerDe to StreamCodec,
changed SerDe to StreamCodec,
Purge buffer before recovering publisher.
Added javadoc comments
turn off hdfs
Added javadocs, and getAverage to SumValue operator
club the inputs and outputs together
Added javadocs, fixed CompareCount (updated test)
Re-factored sort operators. Added javadocs to rest.
Certified and Benchmarked insertSort
Certified and Benchmarked mergeSort
Added javadocs, and created a base class for UniqueCounter operators
Added javadocs, and created a base class for UniqueCounter operators