Ripples: fixed C16

Peaks: I/O refactoring

Save state when the siamese twins mode is enabled

Merge branch 'master' of github.com:pichenettes/eurorack

Clouds: match position of the BLEND knob when the module is powered on

Merge pull request #11 from TheSlowGrowth/master

Automatically open frequency up during calibration.

Braids: sub oscillator modes, adc calibration

Yarns: pitch-bend MSB-LSB swapping bug

Yarns: the LED display driver used for the bootloader no longer supports scrolling/flashing, and shift register loop unrolling, saving about 300 bytes