Adjust FPU delay to 15-120m with 5m increments nightscout/Trio#541

Trio/Sources/Models/DecimalPickerSettings.swift

@@ -131,7 +131,7 @@ struct DecimalPickerSettings {
     )
     var threshold_setting = PickerSetting(value: 60, step: 1, min: 60, max: 120, type: PickerSetting.PickerSettingType.glucose)
     var updateInterval = PickerSetting(value: 20, step: 5, min: 1, max: 60, type: PickerSetting.PickerSettingType.minute)
-    var delay = PickerSetting(value: 60, step: 10, min: 60, max: 120, type: PickerSetting.PickerSettingType.minute)
+    var delay = PickerSetting(value: 60, step: 5, min: 15, max: 120, type: PickerSetting.PickerSettingType.minute)
     var minuteInterval = PickerSetting(value: 30, step: 5, min: 10, max: 60, type: PickerSetting.PickerSettingType.minute)
     var timeCap = PickerSetting(value: 8, step: 1, min: 5, max: 12, type: PickerSetting.PickerSettingType.hour)
     var hours = PickerSetting(value: 6, step: 0.5, min: 2, max: 24, type: PickerSetting.PickerSettingType.hour)