fix(package): update xss to version 1.0.0

package.json

@@ -29,6 +29,6 @@
     "es6-promise": "^4.2.4",
     "meteor-node-stubs": "^0.4.1",
     "os": "^0.1.1",
-    "xss": "^0.3.8"
+    "xss": "^1.0.0"
   }
 }