Switch to wercker.yml
Add heroku-deploy to wercker.yml
Add bundle install step
Add a script step to export all variables
Remove export all variables steps
Use $HEROKU_USER instead of static username
Use new naming convention for step names
Remove heroku-deploy options from wercker.yml
Finalize wercker.yml
Merge pull request #2 from pjvds/master

Switch to wercker.yml