setup gruntfile for linux deploy & disable finder and updater

lib/main-app.js

@@ -128,6 +128,7 @@ const updater = new GhReleases(ghReleasesOpts)
 // Check for updates
 // `status` returns true if there is a new update available
 function checkUpdate () {
+  return true
   updater.check((err, status) => {
     if (err) {
       console.error(err)
@@ -275,17 +276,17 @@ app.on('ready', function () {
     mainWindow.hide()
   })
 
-  if (finderProcess == null && process.platform === 'darwin') {
-    spawnFinder()
-  } else {
-    finderWindow = require('./finder-window')
+  // if (finderProcess == null && process.platform === 'darwin') {
+  //   spawnFinder()
+  // } else {
+  //   finderWindow = require('./finder-window')
 
-    finderWindow.on('close', function (e) {
-      if (appQuit) return true
-      e.preventDefault()
-      finderWindow.hide()
-    })
-  }
+  //   finderWindow.on('close', function (e) {
+  //     if (appQuit) return true
+  //     e.preventDefault()
+  //     finderWindow.hide()
+  //   })
+  // }
 
   nodeIpc.server.start(function (err) {
     if (err.code === 'EADDRINUSE') {