[Merge] lp:~pitti/powerd/upower0.99 into lp:powerd

[Martin Pitt]

FTR, it's impossible to succeed the PS Jenkins test, as that doesn't build against vivid-proposed. But upower 0.99 will be stuck there until we land this transition.
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https://code.launchpad.net/~pitti/powerd/upower0.99/+merge/240141
Your team Ubuntu Phablet Team is requested to review the proposed merge of lp:~pitti/powerd/upower0.99 into lp:powerd.