[csswg-drafts] [css-transforms] Update 'issues list' link to GitHub?

RByers has just created a new issue for 
https://github.com/w3c/csswg-drafts:

== [css-transforms] Update 'issues list' link to GitHub? ==
Looks like most recent issues on this spec are [here in 
GitHub](https://github.com/w3c/csswg-drafts/issues?utf8=%E2%9C%93&q=is%3Aissue%20%5Bcss-transforms%5D),
 while those [at 
Bugzilla](https://www.w3.org/Bugs/Public/buglist.cgi?query_format=advanced&product=CSS&component=Transforms&resolution=---&cmdtype=doit)
 as linked by the spec appear old.

The "Issues link" in the spec should probably be updated to GitHub.  
Perhaps the few remaining bugzilla bugs should also be migrated over 
(or archived)?

Please view or discuss this issue at 
https://github.com/w3c/csswg-drafts/issues/486 using your GitHub 
account