chore(travis): get npm dependencies from npm-bundle-deps

npm-bundle-deps has been rewritten to be more robust

.travis.yml

@@ -24,8 +24,8 @@ install:
   - npm config set spin false
   # Log HTTP requests
   - npm config set loglevel http
-  # Run npm install twice, because it is flaky.
-  - npm install || npm install
+  - time ./scripts/travis/fetch_bundle.sh
+  - time npm install
 
 before_script:
   - mkdir -p $LOGS_DIR

scripts/travis/fetch_bundle.sh

@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+
+# normalize the working dir to the directory of the script
+cd $(dirname $0);
+
+cd ../..
+curl "http://23.251.148.50:8000/tar/$TRAVIS_REPO_SLUG/$TRAVIS_COMMIT" | tar xz