All versions of ATS MQTT Client

- Add simple charts for each serie, next to current value. - Add trends for each serie, next to current value. - Fetch data for series from the server's databases instead of via MQTT (data for devices of all types should be available right away). - Add automatic data refresh if the data is stale, after bringing app to foreground. - Change PWM controls for LK (with SW 1.49+) - Improve visual feedback of using output button. - Fix some stability issues (addresses blank screen cases).