add test-bundle script + use it in CircleCI

Author: etpinard

circle.yml

@@ -21,4 +21,5 @@ test:
   override:
     - sudo lxc-attach -n "$(docker inspect --format '{{.Id}}' mytestbed)" -- bash -c "cd /var/www/streambed/image_server/plotly.js && node test/image/compare_pixels_test.js"
     - npm run citest-jasmine
+    - npm run test-bundle
     - npm run test-syntax

package.json

@@ -32,6 +32,7 @@
     "citest-jasmine": "karma start test/jasmine/karma.ciconf.js",
     "test-image": "./tasks/test_image.sh",
     "test-syntax": "node test/syntax_test.js",
+    "test-bundle": "node tasks/test_bundle.js",
     "test": "npm run test-jasmine && npm test-image",
     "start-test_dashboard": "node devtools/test_dashboard/server.js",
     "start-image_viewer": "node devtools/image_viewer/server.js",