add node modules to repo

app/node_modules/electron/install.js

@@ -0,0 +1,64 @@
+#!/usr/bin/env node
+
+var version = require('./package').version
+
+var fs = require('fs')
+var os = require('os')
+var path = require('path')
+var extract = require('extract-zip')
+var download = require('electron-download')
+
+var installedVersion = null
+try {
+  installedVersion = fs.readFileSync(path.join(__dirname, 'dist', 'version'), 'utf-8').replace(/^v/, '')
+} catch (ignored) {
+  // do nothing
+}
+
+var platformPath = getPlatformPath()
+
+if (installedVersion === version && fs.existsSync(path.join(__dirname, platformPath))) {
+  process.exit(0)
+}
+
+// downloads if not cached
+download({
+  cache: process.env.electron_config_cache,
+  version: version,
+  platform: process.env.npm_config_platform,
+  arch: process.env.npm_config_arch,
+  strictSSL: process.env.npm_config_strict_ssl === 'true',
+  force: process.env.force_no_cache === 'true',
+  quiet: process.env.npm_config_loglevel === 'silent' || process.env.CI
+}, extractFile)
+
+// unzips and makes path.txt point at the correct executable
+function extractFile (err, zipPath) {
+  if (err) return onerror(err)
+  extract(zipPath, {dir: path.join(__dirname, 'dist')}, function (err) {
+    if (err) return onerror(err)
+    fs.writeFile(path.join(__dirname, 'path.txt'), platformPath, function (err) {
+      if (err) return onerror(err)
+    })
+  })
+}
+
+function onerror (err) {
+  throw err
+}
+
+function getPlatformPath () {
+  var platform = process.env.npm_config_platform || os.platform()
+
+  switch (platform) {
+    case 'darwin':
+      return 'dist/Electron.app/Contents/MacOS/Electron'
+    case 'freebsd':
+    case 'linux':
+      return 'dist/electron'
+    case 'win32':
+      return 'dist/electron.exe'
+    default:
+      throw new Error('Electron builds are not available on platform: ' + platform)
+  }
+}