STM32F3: Blink example tested in hardware. 

A simple example blinking all compass LEDs. 
Worked in OS X 10.6.8 with arm-none-eabi-g++ 4.6.2 20111004 and openocd 0.6.1.
Merge remote-tracking branch 'origin/feature/stm32_f3_support' into feature/stm32_timer_motor_control
STM32: Timer: Enable on STM32F3XX series.
Examples: Added STM32F3Discovery Timer example
STM32: Timer: Regenerated Timer Templates