Update dependencies to match upstream

Author: William Monk

package.json

@@ -10,54 +10,48 @@
   "bugs": {
     "url": "https://github.com/wmonk/create-react-app/issues"
   },
-  "files": [
-    "bin",
-    "config",
-    "scripts",
-    "template",
-    "utils"
-  ],
+  "files": ["bin", "config", "scripts", "template", "utils"],
   "bin": {
     "react-scripts-ts": "./bin/react-scripts-ts.js"
   },
   "dependencies": {
-    "autoprefixer": "7.1.6",
-    "babel-jest": "^22.1.0",
-    "babel-loader": "^7.1.2",
+    "autoprefixer": "8.5.0",
+    "babel-jest": "22.4.3",
+    "babel-loader": "8.0.0-beta.4",
     "babel-preset-react-app": "^3.1.1",
-    "case-sensitive-paths-webpack-plugin": "2.1.1",
-    "chalk": "1.1.3",
-    "css-loader": "0.28.7",
-    "dotenv": "4.0.0",
+    "case-sensitive-paths-webpack-plugin": "2.1.2",
+    "chalk": "2.4.1",
+    "css-loader": "0.28.11",
+    "dotenv": "5.0.1",
     "dotenv-expand": "4.2.0",
     "extract-text-webpack-plugin": "3.0.2",
-    "file-loader": "0.11.2",
+    "file-loader": "1.1.11",
     "fork-ts-checker-webpack-plugin": "^0.2.8",
-    "fs-extra": "3.0.1",
-    "html-webpack-plugin": "2.29.0",
-    "jest": "22.4.2",
+    "fs-extra": "5.0.0",
+    "html-webpack-plugin": "3.2.0",
+    "jest": "22.4.3",
     "object-assign": "4.1.1",
-    "postcss-flexbugs-fixes": "3.2.0",
-    "postcss-loader": "2.0.8",
+    "postcss-flexbugs-fixes": "3.3.1",
+    "postcss-loader": "2.1.5",
     "promise": "8.0.1",
     "raf": "3.4.0",
     "source-map-loader": "^0.2.1",
-    "react-dev-utils": "^5.0.1",
+    "react-dev-utils": "^5.0.0",
     "resolve": "1.6.0",
-    "style-loader": "0.19.0",
-    "sw-precache-webpack-plugin": "0.11.4",
+    "style-loader": "0.21.0",
+    "sw-precache-webpack-plugin": "0.11.5",
     "ts-jest": "22.0.1",
     "ts-loader": "^2.3.7",
     "tsconfig-paths-webpack-plugin": "^2.0.0",
     "tslint": "^5.7.0",
     "tslint-config-prettier": "^1.10.0",
     "tslint-react": "^3.2.0",
-    "uglifyjs-webpack-plugin": "^1.1.8",
-    "url-loader": "0.6.2",
-    "webpack": "3.8.1",
-    "webpack-dev-server": "2.9.4",
-    "webpack-manifest-plugin": "1.3.2",
-    "whatwg-fetch": "2.0.3"
+    "uglifyjs-webpack-plugin": "1.2.5",
+    "url-loader": "1.0.1",
+    "webpack": "4.8.3",
+    "webpack-dev-server": "3.1.5",
+    "webpack-manifest-plugin": "2.0.3",
+    "whatwg-fetch": "2.0.4"
   },
   "devDependencies": {
     "react": "^15.5.4",