* switch rs232 provider to completly async transfer
* start of implementing a seperate init function for leddevices
* rename setconfig to init
* more fixes
* implement missing code
* fix code style
* remove debug code
* remove debug stuff
* set loglevel to original state
* Changed default baud rate in schema for ws2812spi and sk6812spi
* now sets the default baud_rate speed to 2800000 if omitted.
Previously it used the ProviderSPI default which was 1000000 and guaranteed not to work
* Added warnings if the SPI baud rate is likely out of range
Added some debug statements to ProviderSpi
If you have more leds configured than the SPI buffer can support you now get this:
[HYPERIOND LedDevice] <DEBUG> <ProviderSpi.cpp:92:writeBytes()> SPI failed to write. errno: 90, Message too long