ysim

Toggle the touchpad on/off with a keyboard shortcut on Ubuntu 16.04

The keyboard on the Dell XPS is far too sensitive and I would prefer for the touchpad to be disabled while a mouse is plugged in.

In the Terminal, determine the device number that corresponds to your touchpad by running:
```
 xinput
```

	#!/bin/bash

	# DESCRIPTION:
	# You might find this bash prompt useful if you make regular use of Git and
	# virtualenv.
	#
	# FEATURES:
	# - Displays any activated virtualenv.
	# - Displays the username and current working directory.
	# - Displays the current git branch, as well as the number of commits to