update README for new chat server

Author: alexweissman

.gitignore

@@ -14,8 +14,9 @@ userfrosting/config-userfrosting.php
 public/js/min/*
 public/css/min/*
 
-# Ignore personal config files (dev)
-app/config/development.php
+# Ignore v4 directories in v0.3.x
+app/*
+build/*
 
 # Ignore composer.lock
 userfrosting/composer.lock

README.md

@@ -4,7 +4,7 @@ http://www.userfrosting.com
 
 If you simply want to show that you like this project, or want to remember it for later, you should **star**, not **fork**, this repository.  Forking is only for when you are ready to create your own copy of the code to work on.
 
-[![Join the chat at https://gitter.im/alexweissman/UserFrosting](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/alexweissman/UserFrosting?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
+[![Join the chat at https://chat.userfrosting.com/channel/support](http://puffin.rocks/media/rocketchat/logo.png)](https://chat.userfrosting.com/channel/support)
 
 [![Click here to lend your support to: UserFrosting: A secure, modern user management system for PHP and make a donation at pledgie.com !](https://pledgie.com/campaigns/29583.png?skin_name=chrome)](https://pledgie.com/campaigns/29583)