Add HW configuration for brainyfly board.
Make it compile successfully.
	modified:   flight/modules/Battery/battery.c
	modified:   flight/modules/Sensors/sensors.c
	modified:   flight/modules/System/systemmod.c
	modified:   flight/pios/common/pios_bmc050.c
	new file:   flight/pios/common/pios_bmp085_i2c.c
	modified:   flight/pios/common/pios_l3g4200d.c
	modified:   flight/pios/common/pios_lps331ap.c
	modified:   flight/pios/inc/pios_bmc050.h
	modified:   flight/pios/inc/pios_bmp085.h
	new file:   flight/pios/inc/pios_bmp085_i2c.h
	modified:   flight/pios/inc/pios_l3g4200d.h
	modified:   flight/pios/inc/pios_lps331ap.h
	modified:   flight/pios/pios.h
	new file:   flight/pios/stm32f4xx/libraries/CMSIS/Device/ST/STM32F4xx/Source/brainyfly/system_stm32f4xx.c
	modified:   flight/targets/boards/brainyfly/board_hw_defs.c
	modified:   flight/targets/boards/brainyfly/firmware/inc/pios_config.h
	modified:   flight/targets/boards/brainyfly/firmware/pios_board.c
	modified:   flight/targets/boards/osd/board_hw_defs.c
	modified:   make/apps-defs.mk