Bump versions

packages/babel-preset-react-app/package.json

 {
   "name": "babel-preset-react-app",
-  "version": "2.1.1",
+  "version": "3.0.0",
   "description": "Babel preset used by Create React App",
   "repository": "facebookincubator/create-react-app",
   "license": "BSD-3-Clause",

packages/eslint-config-react-app/package.json

 {
   "name": "eslint-config-react-app",
-  "version": "0.6.1",
+  "version": "1.0.0",
   "description": "ESLint configuration used by Create React App",
   "repository": "facebookincubator/create-react-app",
   "license": "BSD-3-Clause",

packages/react-dev-utils/package.json

 {
   "name": "react-dev-utils",
-  "version": "0.5.2",
+  "version": "1.0.0",
   "description": "Webpack utilities used by Create React App",
   "repository": "facebookincubator/create-react-app",
   "license": "BSD-3-Clause",

packages/react-error-overlay/package.json

 {
   "name": "react-error-overlay",
-  "version": "0.0.0",
+  "version": "1.0.0",
   "description": "An overlay for displaying stack frames.",
   "main": "lib/index.js",
   "scripts": {
@@ -39,10 +39,10 @@
   "devDependencies": {
     "babel-cli": "6.24.1",
     "babel-eslint": "7.2.3",
-    "babel-preset-react-app": "^2.1.1",
+    "babel-preset-react-app": "^3.0.0",
     "cross-env": "5.0.0",
     "eslint": "3.19.0",
-    "eslint-config-react-app": "^0.6.1",
+    "eslint-config-react-app": "^1.0.0",
     "eslint-plugin-flowtype": "2.33.0",
     "eslint-plugin-import": "2.2.0",
     "eslint-plugin-jsx-a11y": "5.0.1",

packages/react-scripts/package.json

 {
   "name": "react-scripts",
-  "version": "0.9.4",
+  "version": "1.0.0",
   "description": "Configuration and scripts for Create React App.",
   "repository": "facebookincubator/create-react-app",
   "license": "BSD-3-Clause",
@@ -28,7 +28,7 @@
     "babel-eslint": "7.2.3",
     "babel-jest": "20.0.1",
     "babel-loader": "7.0.0",
-    "babel-preset-react-app": "^2.1.1",
+    "babel-preset-react-app": "^3.0.0",
     "babel-runtime": "6.23.0",
     "case-sensitive-paths-webpack-plugin": "2.0.0",
     "chalk": "1.1.3",
@@ -37,7 +37,7 @@
     "css-loader": "0.28.1",
     "dotenv": "4.0.0",
     "eslint": "3.19.0",
-    "eslint-config-react-app": "^0.6.1",
+    "eslint-config-react-app": "^1.0.0",
     "eslint-loader": "1.7.1",
     "eslint-plugin-flowtype": "2.33.0",
     "eslint-plugin-import": "2.2.0",
@@ -53,8 +53,8 @@
     "postcss-flexbugs-fixes": "3.0.0",
     "postcss-loader": "2.0.5",
     "promise": "7.1.1",
-    "react-dev-utils": "^0.5.2",
-    "react-error-overlay": "^0.0.0",
+    "react-dev-utils": "^1.0.0",
+    "react-error-overlay": "^1.0.0",
     "style-loader": "0.17.0",
     "url-loader": "0.5.8",
     "webpack": "2.5.1",