fw104 - 1.094

Requires Ruskin 2.6.0.

L3-567 - Protect from loss of channel configuration and calibration memory

L3-575 - Protect from loss of general configuration memory

L3-548 - Threshold function now works properly with deep conductivity cell

L3-562 - Prevent unresponsive state following battery removal

L3-563 - Data download using small packet sizes is now reliable

L3-568 - Prevent excessive WiFi power-on/off events at high sample rates

L3-572 - Setting of alarm time for next sample is now more robust

L3-580 - Eliminate risk of logger failing on entering deep sleep

L3-558 - Firmware changes to OEM units can now be locked out

L3-582 - Corrections to DO2 concentration to saturation equation