Add copyright notice to ChangeLog files

[nick clifton]

Hi Eric,

 >>    I am applying the attached patch to add copyright notices at the end
>>    of all of our ChangeLog files.

> Should we assume that MAINTAINERS and README* files will also get copyright notices added to them too?

Hmm, I had not thought of that.  I think that you are right, we should 
have copyright notices on them too.  Any objections ?

Cheers
   Nick