Draft: License policy for contributors

[Jeremy C. Reed]

Thank you for doing this. One comment below.

On Tue, 2 Dec 2008, Adam Jackson wrote:

> For small changes, including patches sent through a bug tracker or
> mailing list, changes are assumed to be under the MIT license.  If you

s/MIT license/same original license or usage statement of the original file/

Because some code is not under MIT license. Some is public domain. A lot 
are BSD-style/ISC-style/MIT-compatible licenses but worded different from 
the definitive example to be shown in this "policy". Also (sadly) some is 
GPL'd.