New upstream release for lxqt-qtplugin

Summary:
Packaged new upstream 0.17.0 of lxqt-qtplugin
Updated changelog and control
Fixed copyright based on source files

Test Plan:

1. Wait for D116
2. Build passed on https://launchpad.net/~apt-ghetto/+archive/ubuntu/ludev

Reviewers: kc2bez

Reviewed By: kc2bez

Differential Revision: https://phab.lubuntu.me/D118