Updated finagle/twitter-util version
WIP Test coverage + state machine redesign.
Code cleanup
Statemachine rewritten
Removed todo
Merge branch 'finagle_6_4_1' of https://github.com/thefactory/finagle-postgres into thefactory-finagle_6_4_1

Conflicts:
	project/Build.scala
Migration to new api
Fixed unit tests
Merge branch 'master' into thefactory_nexus