- Add contrib files: sway-1.9-contrib.tar.gz
- Update specfile to accommodate new contrib files and contrib sub-package.

- Update to version 1.9
* All of the enhancements from wlroots 0.17, including support for
the new content-type-v1, xwayland-shell-v1, wp-fractional-scale-v1,
security-context-v1 and cursor-shape-v1 protocols
* Improved xdg-activation-v1 support with workspace tracking and multi-seat
* The rendering code has been ported to the new wlroots rendering API,
yielding better performance
* A new config option to disable primary selection
* A new input commands to set libinput's rotation angle and scroll button lock
* Tablet tool buttons can now be used for floating mode resize
* The IPC output event is now supported
* Add support for layer-shell's on-demand keyboard interactivity
* Default menu is now wmenu
* KDE idle protocol is obsoleted for the standard idle-notify-v1 protocol
- Remove dee032d0a0ecd958c902b88302dc59703d703c7f.patch. Patch is included in version 1.9.
- Set wlroots version requirement to >= 0.17.0
- Update description on specfile. Sway has long since matured as a full-fledge compositor.