(Fix) packages versions

package.json

@@ -4,23 +4,21 @@
   "private": true,
   "homepage": "https://poanetwork.github.io/",
   "dependencies": {
-    "clipboard": "^1.7.1",
-    "gh-pages": "^1.1.0",
-    "keythereum": "^1.0.2",
+    "ajv": "^6.5.2",
+    "gh-pages": "^1.2.0",
     "moment": "^2.19.3",
-    "node-sass-chokidar": "0.0.3",
-    "nodemon": "^1.14.11",
+    "node-sass-chokidar": "1.3.0",
+    "nodemon": "^1.17.5",
     "npm-run-all": "^4.1.2",
-    "password-generator": "^2.2.0",
     "react": "^16.2.0",
     "react-dom": "^16.2.0",
     "react-places-autocomplete": "^5.4.3",
     "react-router": "^4.2.0",
     "react-router-dom": "^4.2.2",
-    "react-scripts": "1.0.17",
+    "react-scripts": "1.1.4",
     "react-select": "^1.2.1",
     "sweetalert": "^2.0.8",
-    "web3": "^1.0.0-beta.34"
+    "web3": "1.0.0-beta.34"
   },
   "scripts": {
     "predeploy": "npm run build",