Merge branch 'dev'

README.md

mongoose.c

mongoose.h

src/common/platform.h

src/common/platforms/arm/arm_exc.c

src/common/platforms/arm/arm_exc.h

src/common/platforms/arm/arm_exc_top.S

src/common/platforms/arm/arm_nsleep100_m3.S

src/common/platforms/arm/arm_nsleep100_m4.S

src/common/platforms/arm/arm_nsleep100_m7.S

src/common/platforms/lwip/mg_lwip_ev_mgr.c

src/common/platforms/lwip/mg_lwip_net_if.c

src/common/platforms/platform_rs14100.h

src/common/platforms/stm32/LICENSE

src/common/platforms/stm32/common.c

src/common/platforms/stm32/flash.c

src/common/platforms/stm32/flash_loader.c

src/common/platforms/stm32/flash_loader.h

src/common/platforms/stm32/flasher.go

src/common/platforms/stm32/stlink.h