v0.7.0

New features:

• Tranquility Server (#57, #79)
• Tranquilizer and Simple Tranquilizer APIs (#57, #77)
• Add Beam.sendBatch (#75)

Improvements:

• Changed default overlord service name (#63)
• Update jackson, finagle, twitter util, netty (#66)
• Avoid materializing Spark RDDs when sending (#68)
• Update to Druid 0.8.2 (#73)
• Update source headers (#74)
• Update to Spark 1.6.0 (#82)

Bug fixes:

• Unit test fixes (#70, #71)
• Downgrade jackson (#81, #83)

Other notes:

This release contains a backwards incompatible change for those of you that have extended the Beam trait. The "propagate" method is now final, and instead you should implement the "sendBatch" method. See #75 for more information.