Added a new Heroku + S3 + Play 2 article
Numerous updates to the Heroku documentation
cedar is now the default stack
Heroku updated its buildpack to delete the ivy cache
Procfile configurations
Try to fix the mess
Updated Deploying to Heroku (markdown)
One should specify java max heap size to stay under heroku's memory quota. Such configuration is found in JAVA_OPTS on heroku.
Working on documentation