Honor pump max basal rate about loop

[loudnate]

I'm not sure I want to make users pay the penalty of re-checking max basal each time. The larger feature request here is the ability to sync settings from the pump. I haven't thought through what the right UX should be for that.

[scottleibrand]

Maybe just check max basal if you get a received: false on a temp basal enact? Also maybe check pump status and provide some indication if temps are failing because the pump is suspended or bolusing...

[Kdisimone]

with Loop v1.9, max delivery rates are read from pump and synced.