Added I2C bus select
Added\fixed testConnection() methods in device classes
Update README.md
Moved PPM decoder and AHRS to Examples
Fixed PPM decoder
Update README
Add U-blox SPI to PTY bridge utility
Add U-blox SPI to TCP bridge utility
Updated servo example to set 50Hz frequency
Added note about magnetormeter
Removed usleep from ublox-spi-to-tcp utility, increased SPI clock to 244KHz
Removed usleep from ublox-spi-to-pty utility, increased SPI clock to 244KHz
Restructure repository
Renamed ubx utility folders
Added several python drivers and examples, C++ MS5611 error fix