Backport c5721519a0ccf8a528bdb31f051509db00e98e0c by lvsouza from master
author Lamarque V. Souza
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committer Lamarque V. Souza
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commit 09492b4dd8c83056125275cf558e00ad7c4a1e0f
tree d96281c65b56b08fac67e7d5da888f835ad72868
parent 84384efb52367e720ad82ace04ac8da668afc5ec
Backport c5721519a0ccf8a528bdb31f051509db00e98e0c by lvsouza from master
to the 4.6 branch:

Add UpsBatteries to batterySources so that the Battery plasmoid can
monitors them when using UPower backend.
plasma/generic/dataengines/powermanagement/powermanagementengine.cpp