csl: Fix TravisCI builds
csl: Fix TravisCI builds

Problem
TwitterServer depends on `finagle-zipkin`, which depends on `finagle-thrift`,
which depends on `finagle-core`, which depends on `scrooge-core`.

Solution
Publish local all the required dependencies for twitter-server. Cleanup the rest
of the travisci scripts.

RB_ID=759759

thirstycrow/scrooge,thirstycrow/scrooge,twitter/scrooge,twitter/scrooge,thirstycrow/scrooge,twitter/scrooge,thirstycrow/scrooge,thirstycrow/scrooge,twitter/scrooge