delay install splash screen so user sees it

main/squirrel-win32.js

@@ -9,41 +9,46 @@ var app = electron.app
 var handlers = require('./handlers')
 
 function handleArgv (cmd) {
-  if (cmd === '--squirrel-install' || cmd === '--squirrel-updated') {
+  if (cmd === '--squirrel-install') {
+    // App was just installed.
     handlers.init()
 
     // TODO:
     // - Install desktop and start menu shortcuts
     // - Add explorer context menus
 
-    // Always quit when done
+    // Ensure user sees install splash screen so they realize that Setup.exe actually
+    // installed an application and isn't the application itself.
+    setTimeout(function () {
+      app.quit()
+    }, 5000)
+    return true
+  }
+
+  if (cmd === '--squirrel-updated') {
+    // App was just updated. (Called on new version of app.)
+    handlers.init()
     app.quit()
     return true
   }
 
   if (cmd === '--squirrel-uninstall') {
-    // Undo anything we did in the --squirrel-install and --squirrel-updated handlers
+    // App was just uninstalled. Undo anything we did in the --squirrel-install and
+    // --squirrel-updated handlers
 
     // TODO: implement this
-
-    // Always quit when done
     app.quit()
     return true
   }
 
   if (cmd === '--squirrel-obsolete') {
-    // This is called on the outgoing version of your app before we update to the new
-    // version - it's the opposite of --squirrel-updated
-
-    // Always quit when done
+    // App will be updated. (Called on outgoing version of app.)
     app.quit()
     return true
   }
 
   if (cmd === '--squirrel-firstrun') {
-    // This is called on the first run of the app.
-
-    // Do not quit the app
+    // This is called on the app's first run. Do not quit, allow startup to continue.
     return false
   }