Upgrade to repo tools v1.4.7 (#370)

Author: jmdobry

vision/samples/package.json

@@ -8,10 +8,6 @@
     "type": "git",
     "url": "https://github.com/GoogleCloudPlatform/nodejs-docs-samples.git"
   },
-  "cloud": {
-    "requiresKeyFile": true,
-    "requiresProjectId": true
-  },
   "engines": {
     "node": ">=4.3.2"
   },
@@ -30,12 +26,16 @@
     "yargs": "7.1.0"
   },
   "devDependencies": {
-    "@google-cloud/nodejs-repo-tools": "1.3.1",
+    "@google-cloud/nodejs-repo-tools": "1.4.7",
     "ava": "0.19.1",
     "proxyquire": "1.7.11",
     "sinon": "2.1.0"
   },
   "optionalDependencies": {
     "canvas": "1.6.5"
+  },
+  "cloud-repo-tools": {
+    "requiresKeyFile": true,
+    "requiresProjectId": true
   }
 }