Exclude CC free licenses from the definition of Proprietary Licenses.
(without including them in Open Licenses.)

Signed-off-by: Engel Nyst <engel.nyst@gmail.com>
Add CC-BY to excluded licenses from further restrictions section.

Signed-off-by: Engel Nyst <engel.nyst@gmail.com>
Few line length fixes.

Signed-off-by: Engel Nyst <engel.nyst@gmail.com>
Replace 'Our' with Licensor in PR clause.

I think I can't write this without replacing them all... it doesn't sound right.

Signed-off-by: Engel Nyst <engel.nyst@gmail.com>