* ntp: try using sntp app from lwip, drop ntpclientlib
* fix display
* thermostat: fix day and month getters
* test build sizes with scheduler
* use system timers for once-a-minute scheduling, no polling
* tick
* avoid timestamps, use tm
* drop utc rpn operator, add utc_hour and utc_dow
* try to build with old implementation too
* dep
* notify ws
* progmem
* cleanup types
* offset tm values by 1 to match existing schedules
* avoid using ntpclientlib with rpn
* test. show debug strings in sch
* fix secureclient
* consts, fix unsyncing when changing tz (and not triggering sntp after reinit for some reason)
* startup time in seconds
* same delay as lwip
* header
* assume build timestamp is unixtime
* cache server value
* fmt
* typo
* handle dhcp request
* rename
* web
* TZ.h
* add notice about what alias means
* fix disabling NTP_SUPPORT
* scheduled ticker
* same behaviour as old module
* rollback rpn dependency check, utc_ prefixes
* ...
* comments, refactor naming
Maxim Prokhorov