IAD settings screen include decimal

[CrushingT1D]

Should display 3.75 in the settings view.
Discovered in dev branch for v1.0 (believe it worked properly in master 0.13)
Found on iPhone6s, iOS 10.0.3

[loudnate]

http://stackoverflow.com/questions/32522965/what-am-i-doing-wrong-with-allowsfractionalunits-on-nsdatecomponentsformatter