Merge pull request #2197 from tschaub/deps

Update closure-util.

.travis.yml

@@ -1,6 +1,6 @@
 before_install:
   - "sudo pip install -r requirements.txt"
-  - "npm install"
+  - "npm install -g npm && npm install"
 
 before_script:
   - "./build.py plovr"

package.json

@@ -19,7 +19,7 @@
     "htmlparser2": "~3.7.1"
   },
   "devDependencies": {
-    "closure-util": "~0.12.0",
+    "closure-util": "~0.14.0",
     "jshint": "~2.5.1",
     "jsdoc": "~3.3.0-alpha7",
     "taffydb": "~2.7.0",