Added the zxcvbn bower component, for use in client-side password strength estimation.

 - Legacy-Id: 12795

Author: levkowetz

ietf/bower.json

@@ -15,7 +15,8 @@
     "respond": "~1",
     "select2": "~3",
     "select2-bootstrap-css": "~1",
-    "spin.js": "~2"
+    "spin.js": "~2",
+    "zxcvbn": "~4"
   },
   "devDependencies": {},
   "overrides": {