Improving license text

For the record, the LWN comment: Deprecating scp [LWN.net] (the comment is not paywalled).

Also, while updating the T&C, we need a refresh for the RH address at the end. I guess we at least need to verify the information is still valid (phone, etc) with Legal. The fax is still good, the phone from RH.com page was moved and the company was moved to a different address.