Update of NightWatch to latest Android API version#86

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robertanye wants to merge 10 commits intoStephenBlackWasAlreadyTaken:masterfrom robertanye:master

+1,983-750

Commits on Jan 1, 2017

Nightscout interface working. Share interface not connected and
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Commits on Jan 2, 2017

Commits on Jan 3, 2017

Add an about selection and some cleanup
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Commits on Jan 4, 2017

More code cleanup and remove the raw values if not enabled
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Commits on Jan 8, 2017

Add the delta below the age in the main widget.
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Commits on Jan 21, 2017

Add the coefficient of variation to the stats page and update the mean
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Commits on Mar 4, 2017

Add a missed data Alert category with the same treatment as a high and
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Commits on Mar 6, 2017

The missed data event integration is complete. I am testing it out now
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