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

bin/travisci

@@ -7,25 +7,22 @@ FINAGLE_BRANCH=$(git rev-parse --abbrev-ref HEAD)
 
 if [ "$FINAGLE_BRANCH" != "master" ]; then
   FINAGLE_DIR=$(pwd)
-   # TODO try to use ./sbt of each project instead of finagle's sbt
-  FINAGLE_SBT=$FINAGLE_DIR/sbt
-  FINAGLE_TMP_DIR=$(mktemp -d -t ostrich.XXXXXXXXXX.tmp)
+  FINAGLE_TMP_DIR=$(mktemp -d -t finagle.XXXXXXXXXX.tmp)
   # util
   cd $FINAGLE_TMP_DIR
   git clone https://github.com/twitter/util.git --branch develop
   cd util
-  $FINAGLE_SBT ++$TRAVIS_SCALA_VERSION publishLocal
+  ./sbt ++$TRAVIS_SCALA_VERSION publishLocal
   # ostrich
   cd $FINAGLE_TMP_DIR
   git clone https://github.com/twitter/ostrich.git --branch develop
   cd ostrich
-  $FINAGLE_SBT ++$TRAVIS_SCALA_VERSION publishLocal
+  ./sbt ++$TRAVIS_SCALA_VERSION publishLocal
   # scrooge-core. Finagle depends on scrooge-core, the rest of scrooge depends on finagle.
   cd $FINAGLE_TMP_DIR
   git clone https://github.com/twitter/scrooge.git --branch develop
   cd scrooge
-  $FINAGLE_SBT ++$TRAVIS_SCALA_VERSION scrooge-core/publishLocal
-
+  ./sbt ++$TRAVIS_SCALA_VERSION scrooge-core/publishLocal
   # clean up
   cd $FINAGLE_DIR
   rm -rf $FINAGLE_TMP_DIR