chore: examples use latest version of watson-developer-cloud

Author: dpopp07

examples/browserify/package-lock.json

@@ -12,7 +12,7 @@
     "dotenv": "^2.0.0",
     "express": "^4.14.0",
     "express-browserify": "^1.0.2",
-    "watson-developer-cloud": "*"
+    "watson-developer-cloud": "latest"
   },
   "devDependencies": {},
   "engines": {

examples/browserify/package.json

@@ -8,7 +8,7 @@
   "dependencies": {
     "bluebird": "^3.4.1",
     "dotenv": "^2.0.0",
-    "watson-developer-cloud": "*"
+    "watson-developer-cloud": "latest"
   },
   "engines": {
     "node": ">=4"