"De Mysteriis Dom Sathanas"
Notable changes:
- Support for named transforms (#357), see this FAQ for more
- Expose ScioContext#isTest publicly
- Fix TFRecordFile handling
- Fix ProcessContext reuse for side input/output
- Fix #394. Add doc for hotKeyThreshold scaling (#404)
- Fix #400 Start repl from sbt (#403)
- Add integration test for DistCache (#398)
