Add versioning info and cleanup README

README.md

@@ -10,9 +10,9 @@ You're just one click away from trying Talk - all you need is a Heroku account a
 
 [![Deploy](https://www.herokucdn.com/deploy/button.svg)](https://dashboard.heroku.com/new?template=https%3A%2F%2Fgithub.com%2Fcoralproject%2Ftalk&env[TALK_FACEBOOK_APP_ID]=ignore&env[TALK_FACEBOOK_APP_SECRET]=ignore)
 
-## Technical Documentation
+## Getting Started
 
-From getting up and running, to advanced configuration, to how to scale Talk, our [Talk Technical Docs](https://docs.coralproject.net/talk/) have everything you need to know.
+Check out our Quickstart and Install guides to get started with Talk in our [Technical Docs](https://docs.coralproject.net/talk/).
 
 ## Product Guide
 
@@ -22,6 +22,14 @@ Learn more about Talk, including a deep dive into features for commenters and mo
 
 You’ve installed Talk on your server, and you’re preparing to launch it on your site. The real community work starts now, before you go live. You have a unique opportunity pre-launch to set your community up for success. Read our [Talk Community Guide](https://blog.coralproject.net/youve-installed-talk-now-what/).
 
+## Advanced Usage
+
+For advanced configuration and usage of Talk, check out our [Configuration](https://docs.coralproject.net/talk/advanced-configuration/) and [Integration](https://docs.coralproject.net/talk/integrating/authentication/) how-tos. This covers topics in whih you will need dev support to fully customize and integrate Talk, such as SSO/authentication, creating and managing assets and articles, styling Talk with custom CSS, and setting up Notifications and SMTP support.
+
+## Versions & Upgrading
+
+The current recommended release version is v4.5.0. 4.5+ (and all future even-numbered versions) are considered stable LTS versions. We recommend 4.5+ for use in production environments. 
+
 ## More Resources
 
 - [Talk Product Roadmap](https://www.pivotaltracker.com/n/projects/1863625)