This work is licensed under the Creative Commons
Attribution 4.0 International License.

To view a copy of this license, visit:

	http://creativecommons.org/licenses/by/4.0

or send a letter to:

	Creative Commons
	444 Castro Street Suite 900
	Mountain View California 94041
	USA

Note: This license applies to all content in this
repository except where otherwise noted.