added app.json, config.ru and Procfile for deployment on Heroku
fixed app.json
fixed app.json
added port and trying different success_url
Removed port, using default port
Added details on setting up sample on Heroku
Added instructions to deploy to Heroku
Update .gitignore
Delete .project
Update README.md
Merge pull request #2 from balansubr/master

Added app.json and edited readme for instructions for single command deploy to heroku