move bundled CLI dependencies to devDependencies

package.json

@@ -44,14 +44,17 @@
     "acorn": "^3.1.0",
     "babel-core": "^5.8.32",
     "buble": "^0.6.4",
+    "chalk": "^1.1.1",
     "codecov.io": "^0.1.6",
     "console-group": "^0.2.0",
     "eslint": "^2.9.0",
     "estree-walker": "^0.2.0",
     "istanbul": "^0.4.0",
     "magic-string": "^0.15.1",
+    "minimist": "^1.2.0",
     "mocha": "^2.3.3",
     "remap-istanbul": "^0.5.1",
+    "require-relative": "^0.8.7",
     "rollup": "^0.29.1",
     "rollup-plugin-buble": "^0.6.0",
     "rollup-plugin-commonjs": "^3.0.0",
@@ -63,9 +66,6 @@
     "uglify-js": "^2.6.1"
   },
   "dependencies": {
-    "chalk": "^1.1.1",
-    "minimist": "^1.2.0",
-    "require-relative": "^0.8.7",
     "source-map-support": "^0.4.0"
   },
   "files": [

rollup.config.cli.js

@@ -23,7 +23,7 @@ export default {
 	],
 	external: [
 		'path',
-		'fs',
+		'module',
 		'source-map-support'
 	]
 };