import Neo project for EvalC board
remove printf from makefile
Merge branch 'master' of frodown:/home/git/stm32base
retarget printf function to usart
newlib printf retarget to usart
add usart support for DiscoveryF4
SCMRtos examples for DiscoveryF4 board
add FreeRTOS examples for DiscoveryF4 board
import usb library. more examples for DiscoveryF4
usart init without stm library, part 1 -- usart and remap
import miniunit; usart init without stm library
fix makefiles
usart support for STM32VL_Eval board, printf examples