[Merge] lp:~ssweeny/location-service/fix-lp1570878 into lp:location-service

[Jim Hodapp]

Review: Approve code

Looks good to me after discussing a few questions that I had about the code with Scott. I would prefer to not have the value.value syntax but Scott told me it's not possible to avoid that without breaking the provider API.
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https://code.launchpad.net/~ssweeny/location-service/fix-lp1570878/+merge/296806
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