Update storage samples. (#263)

* Update storage samples.

* Update dependencies.

Author: jmdobry

translate/package.json

@@ -8,8 +8,8 @@
     "test": "cd ..; npm run st -- translate/system-test/*.test.js"
   },
   "dependencies": {
-    "@google-cloud/translate": "^0.5.0",
-    "yargs": "^6.4.0"
+    "@google-cloud/translate": "0.6.0",
+    "yargs": "6.5.0"
   },
   "engines": {
     "node": ">=4.3.2"