Merge pull request NightscoutFoundation#828 from NightscoutFoundation… …/tzachi-libre-average2 Tzachi libre average2
OB1: sync to latest
SensorSanityTest: clear cache and fix sensor deletion attempt
Reminders: add HomeWifi and Speak options
SensorSanity: fix test when run in sequence
OB1: avoid errors before battery status known
CompatibleApps: store package names for external calibration
BgReading: add remote marker
BgGraphBuilder: add pseudo filtered plot
Wear: Sync G5 Base service