Relax peerDependencies for ESLint preset (facebook#1191)

Author: gaearon

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

@@ -11,11 +11,11 @@
     "index.js"
   ],
   "peerDependencies": {
-    "babel-eslint": "7.0.0",
-    "eslint": "3.8.1",
-    "eslint-plugin-flowtype": "2.21.0",
-    "eslint-plugin-import": "2.0.1",
-    "eslint-plugin-jsx-a11y": "2.2.3",
-    "eslint-plugin-react": "6.4.1"
+    "babel-eslint": "^7.0.0",
+    "eslint": "^3.8.1",
+    "eslint-plugin-flowtype": "^2.21.0",
+    "eslint-plugin-import": "^2.0.1",
+    "eslint-plugin-jsx-a11y": "^2.2.3",
+    "eslint-plugin-react": "^6.4.1"
   }
 }