* Add BMI160 support
* BMI160: use set_timeout for delay
* Add support for old compilers
Fix "warning: missing terminating ' character"
* Increase power-on delay to be more conservative
* Add helper for reading little-endian data over i2c
* Replace configuration names with globals
Note: for testing with external components, you will need to comment out the import & define your own CONF_GYROSCOPE_X, etc, in this file
* Improve icons
* Fix tests & lint
