added a udf to extract the first tuple from a bag
Merge branch 'master' of https://github.com/linkedin/datafu
Added a reverse parameter to Enumberate; Created AliasBagFields; created tests for new features
Merge pull request #3 from william-g-vaughan/master

Added a reverse parameter to Enumberate; Created AliasBagFields; created tests for new features
Initial commit of the streaming quantile impl
fixed some documentation errors
added distinctby udf
Add unit test for streaming quantiles
Add javadoc for streaming quantile
Merge pull request #4 from william-g-vaughan/master

added in a distinctby udf
Merge pull request #1 from mitultiwari/master

added a udf FirstTupleFromBag
Merge pull request #5 from jwills/master

Add a streaming quantile UDF.
Have StreamingQuantile implement the Accumulator interface.
Merge pull request #6 from jwills/master

Add the Accumulator interface to StreamingQuantile
Add CONTRIBUTORS
Merge branch 'master' of github.com:linkedin/datafu
Delegate the call() impl to accumulate so we're sure to test it properly. :)
Merge pull request #7 from jwills/master

Ensure the accumulate() impl gets tested by delegating all of the work to it.
StreamingQuantile call method should take DataBag

I tried removing the Accumulator interface to check whether the call
method worked.  The test failed.  I changed to a DataBag and it passed.
Not sure how to write a test which exercises this...
PageRank UDF should implement Accumulator