v3.13.0 updates (#120)

* Fix Updates.txt typos

* RT FTP fix for in progress flag
Davis WLL change low battery threshold

* Fix: Station Settings, Units, Advanced not being saved correctly

* Change: Ecowitt battery decoding nightmare continues

* Fix: The Log editors (dayfile, data, extradata), now handle returned errors correctly
New: HTTP Ecowitt: Adds GW1000 Firmware Version extraction to both main station and extra sensors
Updated libraries
 - MailKit
 - MimeKit
 - ServiceStack.Text

* Change: Monthly NOAA reports now stop at the first day with an error in either the dayfile, or the monthly log file. Previously it only stopped at the first dayfile error

Fix: Rain not being counted with really small bucket sizes

* Additional spike removal alarms triggered
Raincounter tweaks

* Ecowitt WS80 update rate change

* WS80 log message tweak