old_contents: module.exports = function(context, req) {
      context.log('Hal9000 coming online...');
  
      var Hal9000 = require('./lib/hal9000');
  
      var token = process.env.BOT_API_KEY;
      var name = process.env.BOT_NAME;
  
      context.log('Token=%s', token);
      context.log('Name=%s', name);
  
      context.log('Hal9000 coming online....');
  
      var hal9000 = new Hal9000({
          token: token,
          name: name
      });
  
      hal9000.run();
      
      context.done();
  };
  
new_contents: module.exports = function(context, req) {
      context.log('Hal9000 coming online...');
  
      if (req.body && req.body.challenge) {
          context.log('query.body.challenge=%s', req.body.challenge);
          context.res = { challenge: req.body.challenge };
       	context.done();
   	}
      
      var Hal9000 = require('./lib/hal9000');
  
      var token = process.env.BOT_API_KEY;
      var name = process.env.BOT_NAME;
  
      context.log('Token=%s', token);
      context.log('Name=%s', name);
  
      context.log('Hal9000 coming online....');
  
      var hal9000 = new Hal9000({
          token: token,
          name: name
      });
  
      hal9000.run();
      
      context.done();
  };
  
subject: Update run.js