LICENSE.txt

This is a human-readable summary of the Legal Code (the full licence).
The full license can be optained here:
http://creativecommons.org/licenses/by-nc-sa/3.0/legalcode 

Attribution-NonCommercial-ShareAlike 3.0 CC BY-NC-SA 3.0 

This means:

You are free:
* to copy, distribute, display, and perform the work. 
* to make derivative works.

Under the following conditions:
Attribution — You must give the original author credit.
Non-Commercial — You may not use this work for commercial purposes. 
Share Alike — If you alter, transform, or build upon this work, you may distribute the resulting work only under a licence identical to this one.

With the understanding that:
Waiver — Any of the above conditions can be waived if you get permission from the copyright holder.
Public Domain — Where the work or any of its elements is in the public domain under applicable law, that status is in no way affected by the license.
Other Rights — In no way are any of the following rights affected by the license:
* Your fair dealing or fair use rights, or other applicable copyright exceptions and limitations;
* The author's moral rights;
* Rights other persons may have either in the work itself or in how the work is used, such as publicity or privacy rights.
Notice — For any reuse or distribution, you must make clear to others the licence terms of this work.