[kde-base/kwin] Add KF5 version.

Package-Manager: portage-2.2.8-r1
[kde-base/kwin] Add wayland support.

Package-Manager: portage-2.2.8-r1
[kde-base/kwin] Remove duplicate dependency. Add missing build dependency.

Package-Manager: portage-2.2.8-r1
[kde-base/kwin] Add opengl/gles dependencies.

Package-Manager: portage-2.2.8-r1