[Merge] lp:~phablet-team/ubuntu-settings-components/fingerprint into lp:ubuntu-settings-components

[Ken VanDine]

Review: Needs Fixing

The code looks good, but there are a few places where there is code left in commented out.  Let's get that removed.
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https://code.launchpad.net/~phablet-team/ubuntu-settings-components/fingerprint/+merge/297451
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