ChibiOS: fixed GPIOv2 conflict with st libs GPIO_TypeDef
pios_semaphore: added implementation using ChibiOS BinarySemaphore
pios_com: use pios_semaphore
pios_ms5611: use pios_semaphore
pios_ms5611_spi: use pios_semaphore
flight/uavtalk: use pios_semaphore
pios_mutex: added
all fw makefiles: added pios_mutex.c
alarms: use pios_mutex, was recursive mutex before
eventdispatcher: use pios_recursive_mutex
uavobjectmanager: use pios_recursive_mutex
flight/uavtalk: use pios_recursive_mutex
taskmonitor: use pios_mutex, was recursive mutex before
pios/common: added support for ChibiOS
pios/stm32f4xx: added support for ChibiOS
pios/stm32f4xx: added makefile and linker script for ChibiOS support
libraries/wmminternal: prevent redefining TRUE and FALSE
pios/common: added pios_freertos_transition
pios/stm32f4xx: added pios_freertos_transition_priv.h
pios_mpu6000: use worker thread