I2C start
i2c debugging
Minimal i2c program
Further I2C testing
Breakout board fixes

Pullups for I2C2, power cycle external boards.
Changed ChibiOS to patched version.
Pull-up for SPI2 MOSI (see UEXT on mainboard)
Hack for BI8 boards.
Full integration of BI8 boards.
Endianess error
test prog
Merge branch 'master' into i2c

Conflicts:
	software/firmware/VideoCtrl/main.cpp
Merge branch 'master' of github.com:feg-giessen/VideoCtrl