State
Merge branch 'release/0.2.1' into develop
Use pipes instead of parens
Merge pull request #273 from twitter/dont_insert_parens

Use pipes instead of parens
Update README.md

Remove old Kryo artifacts from README.md.
Merge branch 'develop' of github.com:twitter/summingbird into feature/mutliple_summer
Add Alsos in Producer2, OptProd2
Commented out maybe flush
Update name generation to handle multiple tails
Add a TailProducer to encapsulate things which also can be called on
Fixes a bad name collision, handling of splitting around a summer is more robust.
Also test
Produce sane Also dag's including DAG output and graph output
Tests and test cases for handling multiple summers
Uncomment, add back in law
Added simplification
Merge pull request #275 from twitter/alsos

Add Alsos in Producer2, OptProd2
Merge pull request #274 from twitter/feature/mutliple_summer

Feature/mutliple summer
Update travis to run 2.10.3
Make Tail sealed