update prod readme

Author: dfarrow0

README.md

@@ -1,12 +1,17 @@
 # Status
 
-[![Deploy Status](https://delphi.midas.cs.cmu.edu/~automation/public/github_deploy_repo/badge.php?repo=cmu-delphi/www-crowdcast)](#)
+[![Deploy Status](https://delphi.midas.cs.cmu.edu/~automation/public/github_deploy_repo/badge.php?repo=cmu-delphi/www-epicast)](#)
 
 # About
 
-The Crowdcast website for collecting flu forecasts.
+This is the **production** version of the website.
 
-The site is live at:
-- https://delphi.cmu.edu/crowdcast
+1. there shouldn't be any code changes while forecasting is happening (Friday
+through Monday), except for critical bugfixes
+2. changes should be merged into this branch from
+[the dev branch](https://github.com/cmu-delphi/www-epicast/tree/dev),
+except for production-specific configuration
 
-A live demo is available at http://demo.epicast.net/ (User ID is `00000000`)
+See
+[the master branch README.md](https://github.com/cmu-delphi/www-epicast/blob/master/README.md)
+for more information.