adding Procfile for heroku
added node and npm version requirements
forced socket.io to use xhr-polling for heroku
Revert "forced socket.io to use xhr-polling for heroku"

This reverts commit 8ad3589ac919f9feffc04c00fc7a9f721b211598.
Revert "adding Procfile for heroku"

This reverts commit 3453e74c5cdaac9c33cd96159abfa891e4a1268e.
added application name to package.json
package.json updated by nodejitsu