[STM32F3-Discovery][DISCO_F303VC] initial port.
Modified: README.md
Correct TYPO for SPI pinmap_merge on RF Expansion port
added '\n' to error("") calls for all freescale targets and common source
Added: second analog out.
add fflush to exit
enable DEVICE_STDIO_MESSAGES on k64f
remove all line endings from error messages throughout mbed sdk (all targets)
Merge branch 'mbedmicro.org/master'
Merge pull request #257 from dinau/disco-f303vc-initalport

[STM32F3-Discovery][DISCO_F303VC] initial port.
Merge branch 'master' of git://github.com/sg-/mbed into sg--master

Conflicts:
	libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F030R8/gpio_irq_api.c
	libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_F103RB/gpio_irq_api.c
	libraries/mbed/targets/hal/TARGET_STM/TARGET_NUCLEO_L152RE/gpio_irq_api.c