display new created JIRA issues with p5-hubot

I don't know if you are interested in this plugin for your great hubot. 

You need JIRA and create a Webhook, this hubot plugin will read the JSON data from JIRA and post the information about the newly created issue in JIRA in your room.

![br-l0nvcyaer1dw](https://cloud.githubusercontent.com/assets/203964/3514617/a77dddac-06cd-11e4-9761-88efdc771096.png)