Request 88849: Submit xfce4-power-manager

- xfpm-power-backlight-helper should be in the main package since
it can be used by xfce4-power-manager itself too

- xfpm-power-backlight-helper should be in the main package since
it can be used by xfce4-power-manager itself too

Please review sources

Reviewed by saschpe

checkin and copy for 12.1

{"approve": "license and version number unchanged: 1.0.10"}

Builds for repo openSUSE_Factory

Reviewed by saschpe