Package Calamares for new upstream release

Summary:
Update to calamares-settings-ubuntu must follow.

Update copyright for appdata file.

Remove PythonQt depend.

Update copyright for 3rdparty code.

Test Plan: Test Calamares install.

Reviewers: tsimonq2, wxl

Reviewed By: tsimonq2

Differential Revision: https://phab.lubuntu.me/D50