rename esnext to 6to5

package.json

@@ -19,7 +19,7 @@
   ],
   "atomShellVersion": "0.21.0",
   "dependencies": {
-    "6to5-core": "3.0.14",
+    "6to5-core": "^3.0.14",
     "async": "0.2.6",
     "atom-keymap": "^3.1.0",
     "bootstrap": "git+https://github.com/atom/bootstrap.git#6af81906189f1747fd6c93479e3d998ebe041372",

spec/6to5-spec.coffee

@@ -1,4 +1,4 @@
-{create6to5VersionAndOptionsDigest} = require '../src/esnext'
+{create6to5VersionAndOptionsDigest} = require '../src/6to5'
 crypto = require 'crypto'
 
 describe "::create6to5VersionAndOptionsDigest", ->

static/index.js

@@ -3,7 +3,7 @@ function registerRuntimeTranspilers() {
   require('coffee-script').register();
 
   // This redefines require.extensions['.js'].
-  require('../src/esnext').register();
+  require('../src/6to5').register();
 }
 
 window.onload = function() {