Fixing intl on Safari

webapp/package.json

@@ -11,6 +11,7 @@
     "fastclick": "1.0.6",
     "flux": "2.1.1",
     "highlight.js": "9.2.0",
+    "intl": "1.1.0",
     "jasny-bootstrap": "3.1.3",
     "jquery": "2.2.1",
     "keymirror": "0.1.1",