finagle-toggle: Add sbt dependencies
finagle-toggle: Add sbt dependencies

Problem / Solution

finagle-toggle was missing jackson dependencies in the sbt build.

RB_ID=841584

luciferous/finagle,mkhq/finagle,spockz/finagle,spockz/finagle,koshelev/finagle,koshelev/finagle,luciferous/finagle,BuoyantIO/finagle,luciferous/finagle,mkhq/finagle,twitter/finagle,mkhq/finagle,BuoyantIO/finagle,adriancole/finagle,mkhq/finagle,BuoyantIO/finagle,spockz/finagle,twitter/finagle,luciferous/finagle,twitter/finagle,koshelev/finagle,adriancole/finagle,spockz/finagle,adriancole/finagle,BuoyantIO/finagle,koshelev/finagle,BuoyantIO/finagle,twitter/finagle,spockz/finagle,luciferous/finagle,spockz/finagle,adriancole/finagle,mkhq/finagle,luciferous/finagle,BuoyantIO/finagle,twitter/finagle,koshelev/finagle,koshelev/finagle,adriancole/finagle,mkhq/finagle,adriancole/finagle