removed needless includes, bumped MIOSIX_SETTINGS_VERSION

...2000/lpc2138_miosix_board/interfaces-impl/portability.cpp

miosix/arch/common/drivers/serial_atsam4l.h

miosix/arch/common/drivers/serial_efm32.h

miosix/arch/common/drivers/stm32_sgm.cpp

miosix/arch/common/drivers/stm32_sgm.h

..._stm32/stm32f100c8_microboard/interfaces-impl/hwmapping.h

...tm32/stm32f100c8_vaisala_rs41/interfaces-impl/hwmapping.h

miosix/config/miosix_settings.h

miosix/kernel/kernel.cpp

miosix/kernel/kernel.h

miosix/stdlib_integration/libc_integration.cpp

miosix/util/util.cpp

miosix/util/version.cpp