Update dependencies (#159)

use preset-env
use preset-flow
remove stage-1 and use object-rest-spread

Author: danez

.babelrc

@@ -1,11 +1,14 @@
 {
   "presets": [
-    "es2015",
-    "stage-1"
+    ["env", {
+      "targets": {
+        "node": 4
+      }
+    }],
+    "flow"
   ],
   "plugins": [
-    "syntax-flow",
-    "transform-flow-strip-types",
+    "transform-object-rest-spread",
     "transform-runtime"
   ]
 }

package.json

@@ -28,7 +28,7 @@
   "author": "Felix Kling",
   "license": "BSD-3-Clause",
   "dependencies": {
-    "async": "^1.4.2",
+    "async": "^2.1.4",
     "babel-runtime": "^6.9.2",
     "babylon": "~5.8.3",
     "commander": "^2.9.0",
@@ -39,21 +39,20 @@
   "devDependencies": {
     "babel-cli": "^6.9.0",
     "babel-eslint": "^7.0.0",
-    "babel-jest": "^17.0.2",
-    "babel-plugin-syntax-flow": "^6.8.0",
-    "babel-plugin-transform-flow-strip-types": "^6.8.0",
+    "babel-jest": "^18.0.0",
+    "babel-plugin-transform-object-rest-spread": "^6.23.0",
     "babel-plugin-transform-runtime": "^6.9.0",
-    "babel-preset-es2015": "^6.9.0",
-    "babel-preset-stage-1": "^6.5.0",
+    "babel-preset-env": "^1.1.8",
+    "babel-preset-flow": "^6.23.0",
     "cross-spawn": "^5.0.0",
     "eslint": "^3.2.2",
-    "flow-bin": "^0.37.0",
-    "jest": "^17.0.3",
+    "flow-bin": "^0.39.0",
+    "jest": "^18.1.0",
     "rimraf": "^2.3.2",
     "temp": "^0.8.1"
   },
   "jest": {
-    "setupTestFrameworkScriptFile": "tests/setupTestFramework.js",
+    "setupTestFrameworkScriptFile": "<rootDir>/tests/setupTestFramework.js",
     "testPathDirs": [
       "bin",
       "src"