Clojure 1.6; expand & shuffle test matrix.
Switch custom reducers to use transducers.
Add function for returning dseq input paths.
Next release will not be entirely backwards-compatible.
Refactor and deprecate public access to source shaping functions.
Even more reducers and fellow travelers.
Fix lack of unquoting in single-armed `compile-if`.
Switch test matrix Apache Hadoop 2.3.0 to 2.4.0.
Update abracad; allow direct Avro input from Hadoop filesystems.