chore: ensure hoek node module is up to date

As of CVE-2018-3728, node module named `hoek`
version before 5.0.3 or 4.2.1 suffers  from a vulnerablity.

We have updated that particular dependency to a secure version (5.0.3)
in order to prevent any potential security issues.

webui/ovpm/package.json

@@ -13,28 +13,29 @@
   "dependencies": {
     "axios": "^0.16.2",
     "download": "^6.2.5",
-    "moment": "^2.21.0",
-    "muicss": "^0.9.25",
-    "react": "^15.6.1",
-    "react-dom": "^15.6.1",
-    "react-modal": "^2.3.2",
+    "hoek": "^5.0.3",
+    "moment": "^2.22.1",
+    "muicss": "^0.9.39",
+    "react": "^15.6.2",
+    "react-dom": "^15.6.2",
+    "react-modal": "^2.4.1",
     "react-moment": "^0.7.0",
     "react-router-dom": "^4.2.2",
     "string-template": "^1.0.0",
     "validator": "^8.2.0"
   },
   "devDependencies": {
-    "babel-core": "^6.26.0",
-    "babel-loader": "^7.1.2",
+    "babel-core": "^6.26.3",
+    "babel-loader": "^7.1.4",
     "babel-preset-es2015": "^6.24.1",
     "babel-preset-react": "^6.24.1",
-    "css-loader": "^0.28.7",
+    "css-loader": "^0.28.11",
     "file-loader": "^0.11.2",
-    "less": "^2.7.2",
-    "less-loader": "^4.0.5",
+    "less": "^2.7.3",
+    "less-loader": "^4.1.0",
     "style-loader": "^0.18.2",
     "url-loader": "^0.5.9",
-    "webpack": "^3.5.5",
-    "webpack-dev-server": "^2.7.1"
+    "webpack": "^3.11.0",
+    "webpack-dev-server": "^2.11.2"
   }
 }