node package vulnerability updates

package.json

@@ -15,7 +15,7 @@
     "animate.css": "~3.6",
     "axios": "^0.17.1",
     "bootstrap-sass": "^3.4.1",
-    "bootstrap3": "~3.3",
+    "bootstrap": "~3.4",
     "cookieconsent": "^3.1.0",
     "cross-env": "^5.1.6",
     "eonasdan-bootstrap-datetimepicker": "^4.17.47",
@@ -40,12 +40,14 @@
     "rivets": "^0.9.6",
     "select2": "^4.0.5",
     "ssri": "^5.3.0",
+    "tar": ">=4.4.2",
     "webpack": "^3.12.0",
     "x-editable": "1.5.1"
   },
   "devDependencies": {
     "copy-webpack-plugin": "^4.6.0",
     "tailwindcss": "^0.5.3",
-    "webpack-bundle-analyzer": "^2.13.1"
+    "webpack-bundle-analyzer": "^2.13.1",
+    "webpack-dev-server": ">=3.1.11"
   }
 }