extend config with a webappurl field
create thread that will keep the app alive
add servlet api and jetty to deps
rename old main to bot, therefore remove old main
refactor main method to launchBot method
new entrypoint which extends httpservlet
create main method launching the bot, the keepalivethread and the server
add maven-dependency-plugin which creates a dependency package
add procfile for heroku
add system.properties to make the webapp use java 1.7