Update reference manual
Update before branching
Update LED
Merge remote-tracking branch 'remotes/origin/hieu_dev'

Conflicts:
	firmware/projects/STM32F100_Starter/Keil/STM32F100_Starter.uvproj
	firmware/templates/MBoard1/Keil/MBoard1.uvopt
	firmware/templates/STM32F100_Starter/Keil/STM32F100_Starter.plg
	firmware/templates/STM32F100_Starter/Keil/STM32F100_Starter.uvgui.hieuvan
	firmware/templates/STM32F100_Starter/Keil/STM32F100_Starter.uvopt
	firmware/templates/STM32F100_Starter/Keil/src/app.cpp
Replace templates folder by projects folder
Merge branch 'master' into hieu_dev

Conflicts:
	firmware/projects/STM32F100_Starter/Keil/STM32F100_Starter.uvproj