Fix some audit warnings

package.json

@@ -47,7 +47,7 @@
     "@types/node": "^10.3.1",
     "@types/react": "^16.3.16",
     "@types/react-dom": "^16.0.6",
-    "awesome-typescript-loader": "^5.0.0",
+    "awesome-typescript-loader": "^5.2.1",
     "babel-cli": "^6.26.0",
     "babel-core": "^6.26.3",
     "babel-loader": "^7.1.4",
@@ -55,7 +55,7 @@
     "babel-preset-minify": "^0.4.3",
     "babel-preset-react": "^6.24.1",
     "compression": "^1.7.3",
-    "css-loader": "^0.28.11",
+    "css-loader": "^2.1.1",
     "dotenv": "^6.2.0",
     "dotenv-webpack": "^1.5.7",
     "express": "^4.16.3",
@@ -70,26 +70,27 @@
     "mini-css-extract-plugin": "^0.4.1",
     "module-to-cdn": "^3.1.2",
     "morgan": "^1.9.1",
-    "node-sass": "^4.11.0",
+    "node-sass": "^4.12.0",
     "npm-run-all": "^4.1.3",
     "plop": "^2.0.0",
     "postcss-loader": "^2.1.5",
-    "react": "^16.4.0",
+    "react": "^16.8.6",
     "react-addons-test-utils": "^15.6.2",
-    "react-dom": "^16.4.0",
-    "react-hot-loader": "^4.3.0",
+    "react-dom": "^16.8.6",
+    "react-hot-loader": "^4.8.4",
     "sass-loader": "^7.0.3",
     "serve": "^9.1.0",
     "style-loader": "^0.21.0",
     "stylelint": "^9.10.1",
     "stylelint-config-standard": "^18.2.0",
     "stylelint-webpack-plugin": "^0.10.5",
-    "testcafe": "^0.20.5",
+    "testcafe": "^1.1.4",
     "testcafe-react-selectors": "^2.1.0",
     "tslint": "^5.10.0",
+    "typescript": "^3.4.5",
     "uglifyjs-webpack-plugin": "^1.2.5",
     "webpack": "^4.25.1",
-    "webpack-cdn-plugin": "^2.2.0",
+    "webpack-cdn-plugin": "^3.1.1",
     "webpack-cli": "^3.0.3",
     "webpack-dev-middleware": "^3.1.3",
     "webpack-dev-server": "^3.1.14",