Update babel & conver "targets" to browserslist format (#1481)

Author: IvanGoncharov

.babelrc.js

@@ -1,16 +1,14 @@
 module.exports = {
   "presets": [["@babel/preset-env", {
     "modules": process.env.BABEL_MODULES ? false : 'commonjs',
-    "targets": {
-      "node": 6,
-      "browsers": [
-        "ie 9",
-        "ios 9",
-        "last 2 chrome versions",
-        "last 2 edge versions",
-        "last 2 firefox versions",
-      ]
-    }
+    "targets": [
+      "node 6",
+      "ie 9",
+      "ios 9",
+      "last 2 chrome versions",
+      "last 2 edge versions",
+      "last 2 firefox versions",
+    ],
   }]],
   "plugins": [
     "./resources/inline-invariant",

package.json

@@ -45,18 +45,18 @@
     "iterall": "^1.2.2"
   },
   "devDependencies": {
-    "@babel/cli": "7.0.0-rc.2",
-    "@babel/core": "7.0.0-rc.2",
-    "@babel/plugin-proposal-class-properties": "7.0.0-rc.2",
-    "@babel/plugin-proposal-object-rest-spread": "7.0.0-rc.2",
-    "@babel/plugin-syntax-async-generators": "7.0.0-rc.2",
-    "@babel/plugin-transform-classes": "7.0.0-rc.2",
-    "@babel/plugin-transform-destructuring": "7.0.0-rc.2",
-    "@babel/plugin-transform-flow-strip-types": "7.0.0-rc.2",
-    "@babel/plugin-transform-spread": "7.0.0-rc.2",
-    "@babel/polyfill": "7.0.0-rc.2",
-    "@babel/preset-env": "7.0.0-rc.2",
-    "@babel/register": "7.0.0-rc.2",
+    "@babel/cli": "7.0.0-rc.3",
+    "@babel/core": "7.0.0-rc.3",
+    "@babel/plugin-proposal-class-properties": "7.0.0-rc.3",
+    "@babel/plugin-proposal-object-rest-spread": "7.0.0-rc.3",
+    "@babel/plugin-syntax-async-generators": "7.0.0-rc.3",
+    "@babel/plugin-transform-classes": "7.0.0-rc.3",
+    "@babel/plugin-transform-destructuring": "7.0.0-rc.3",
+    "@babel/plugin-transform-flow-strip-types": "7.0.0-rc.3",
+    "@babel/plugin-transform-spread": "7.0.0-rc.3",
+    "@babel/polyfill": "7.0.0-rc.3",
+    "@babel/preset-env": "7.0.0-rc.3",
+    "@babel/register": "7.0.0-rc.3",
     "babel-eslint": "8.2.6",
     "beautify-benchmark": "0.2.4",
     "benchmark": "2.1.4",