v0.9.44

Commit	Message/Description
8f898c7	v0.9.44
7683e00	Board: update previously missed "mock-firmata" removal.
dd8b169	Thermometer: fractional digit accuracy per datasheets
39bc15d	Thermometer: never emit null
7e333a3	Thermometer: Correct SI7020 fractional digits
8540515	Motion: Tessel example
75ffde2	IMU/Multi: fix lint nits
672f783	IMU/Multi: BMP280 examples
cadbb84	IMU/Multi: initial BMP280 support
95826b4	IMU/Multi: use Fn.POW_2_*
622342c	Fn: new consts: POW_2_*; new functions: Fn.s4-32, Fn.u4-32
e194de4	IMU/Multi: register naming/nitpicking
3c608c7	Sometimes I annoy even myself.