message: make linking idempotent
  better caching in travis requires this
diff: @@ -51,7 +51,7 @@ install:
  - ./elasticsearch-${ES_VERSION}/bin/elasticsearch 2>&1 >> /dev/null &
  before_script:
  - - for p in `ls packages`; do ln -s ../../packages/$p node_modules/@cardstack/; done
  + - for p in `ls packages`; do ln -fs ../../packages/$p node_modules/@cardstack/; done
  - wget -q --waitretry=1 --retry-connrefused -T 1 -O - http://127.0.0.1:9200
  script:
  