Marking even more rules as platform="mixedcontent".
https://trac.torproject.org/projects/tor/ticket/9196
updated changelog
Changelog typo
updated X509ChainWhitelist.js
Updated https-everywhere.migration.notification0 notification message
Removed a couple of mixed content exceptions
Removing mixedcontent from Facebook
Updated Changelog for development release
[Wikimedia] removed mixedcontent