better heroku script

scripts/setup-web2py-heroku.sh

@@ -4,7 +4,7 @@ sudo pip install postgresql2
 virtualenv venv --distribute
 source venv/bin/activate
 pip freeze > requirements.txt
-echo "web: python web2py.py -a '"$passwd"' -i 0.0.0.0 -p $PORT" > Procfile
+echo "web: python web2py.py -a '$passwd' -i 0.0.0.0 -p \$PORT" > Procfile
 git init
 git add .
 git add Procfile