finagle-toggle: Add project to sbt build
finagle-toggle: Add project to sbt build

Problem

Right now this is "working" because nothing in Finagle depends on
finagle-toggle, but this will change soon and that would break the
build.

Solution

Add it.

RB_ID=832179

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