naoya/hubot-sushiyuki — pull request #9 by qckanemoto (2014-06-07 18:25:00+00:00)
Title: Add random feature

This PR add random feature as below.

1. enable to configure default emotion for "sushi me" via `HUBOT_SUSHIYUKI_DEFAULT_EMOTION` envvar.
1. also enable to set "random" for default emotion and then "sushi me" w/o emotion will return random image.