Upgrade babel-cli too

package.json

@@ -9,7 +9,7 @@
     "build:bundle": "./bin/build-bundle && ./bin/build-bundle-locales",
     "build:css": "bin/build-css",
     "build:js": "npm run build:lib && npm run build:bundle && npm run build:bundle:min",
-    "build:lib": "babel src -d lib --stage 0",
+    "build:lib": "babel src -d lib",
     "build": "npm run build:lib && npm run build:bundle && npm run build:bundle:min && npm run build:css",
     "clean": "rm -rf lib && rm -rf dist",
     "docs": "cd website && documentation readme ../src/index.js --readme-file=src/api/docs.md --section 'Uppy Core & Plugins' -q --github -c doc-order.json",
@@ -51,12 +51,13 @@
   },
   "homepage": "https://github.com/transloadit/uppy#readme",
   "devDependencies": {
+    "babel-cli": "6.6.5",
     "babel-core": "6.7.4",
-    "babel-loader": "6.2.4",
-    "babel-preset-es2015": "^6.0.0",
-    "babel-polyfill": "6.7.4",
     "babel-eslint": "6.0.2",
+    "babel-loader": "6.2.4",
     "babel-plugin-transform-object-assign": "6.5.0",
+    "babel-polyfill": "6.7.4",
+    "babel-preset-es2015": "^6.0.0",
     "babelify": "7.2.0",
     "browser-sync": "2.10.0",
     "browserify": "12.0.1",