thunderbird security update

60.2.1-4.0.1 - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js 60.2.1-4 - Fixing minor issues 60.2.1-3 - Reverting deleting of key3db 60.2.1-2 - Update to 60.2.1 - Added fix for rhbz1546988 60.0-1 - Rebase to version 60...