Update licenses to reflect https://github.com/w3c/licenses

CONTRIBUTING.md

@@ -1,14 +1,11 @@
 # Design Tokens Community Group
 
-Contributions to this repository are intended to become part of Recommendation-track documents governed by the
-[W3C Patent Policy](https://www.w3.org/Consortium/Patent-Policy-20040205/) and
-[Document License](https://www.w3.org/Consortium/Legal/copyright-documents). To make substantive contributions to specifications, you must either participate
-in the relevant W3C Community Group or make a non-member patent licensing commitment.
+This repository is being used for work in the W3C Design Tokens Community Group, governed by the [W3C Community License Agreement (CLA)](https://www.w3.org/community/about/agreements/cla/). To make substantive contributions, you must join the Community Group. 
 
 If you are not the sole contributor to a contribution (pull request), please identify all 
 contributors in the pull request comment.
 
-To add a contributor (other than yourself, that's automatic), mark them one per line as follows:
+To add a contributor (other than yourself, that’s automatic), mark them one per line as follows:
 
 ```
 +@github_username
@@ -21,4 +18,4 @@ If you added a contributor by mistake, you can remove them in a comment with:
 ```
 
 If you are making a pull request on behalf of someone else but you had no part in designing the 
-feature, you can remove yourself with the above syntax.
+feature, you can remove yourself with the above syntax.

LICENSE.md

@@ -1,4 +1,9 @@
-All documents in this Repository are licensed by contributors
+All Reports in this Repository are licensed by Contributors
 under the 
-[W3C Document License](https://www.w3.org/Consortium/Legal/copyright-documents).
+[W3C Software and Document License](https://www.w3.org/Consortium/Legal/2015/copyright-software-and-document).  
 
+Contributions to Specifications are made under the
+[W3C CLA](https://www.w3.org/community/about/agreements/cla/).
+
+Contributions to Test Suites and other tooling are made under the
+[W3C 3-clause BSD License](https://www.w3.org/Consortium/Legal/2008/03-bsd-license.html)