More user info

The issues created from the notifications could be better. I always ask the same questions, and it would be nice to have more info. Also no one fills out the steps to repro. So this adds

* Commands run
* Installed packages
* Config values -- editor when core error, package config when package error; core on both

First, the stuff to enter is at the top of the doc, and looks like it needs to be edited:

![screen shot 2014-12-18 at 3 49 00 pm](https://cloud.githubusercontent.com/assets/69169/5498049/7c99aa0a-86cd-11e4-9f13-51a8f1756fd3.png)

And here are the other things:

![screen shot 2014-12-18 at 3 45 33 pm](https://cloud.githubusercontent.com/assets/69169/5498018/f3314728-86cc-11e4-8702-dcf313ee5cc5.png)

Could be `{spawnSync} = require 'child_process'`