0.0.6-rgb-led-update#v4.0#SqueezeToo#squeezetoo

This release uses the RGB leds as a progress bar when OTA updating.
The RBG (sp :) code has been updated to be a little less resource intensive.
Picked up the upstream changes.

6a459dd Optimize RGB leds. Fix firmware update progress glitch
99222cc make peaks "more blue"
e739146 fix led init in recovery
3590778 use leds as progress when flashing
3ffbe02 Added wifi scanmode NVS option - release