As this is a public repository we should probably get a licence from Creative Commons and stick the text into a file named "LICENCE" (to go with the convention).
The licensor permits others to copy, distribute, display and perform only unaltered copies of the work, but not create and distribute derivative works based on it.
The licensor permits others to copy, distribute, display, and perform the work for non-commercial purposes only.
As this is a public repository we should probably get a licence from Creative Commons and stick the text into a file named "LICENCE" (to go with the convention).