[Cortex] Add preliminary support for core-dependent defines ARMv6m / ARMv7m, ARMv7em
[STM32F0] Add preliminary support for the family
[STM32F0:USART] Add support for USART peripheral
[STM32F0:GPIO] File renamed to meet the content
[STM32F0] Add FP_FLAGS to support #159
[STM32F0:IWDG] Add initial support
[STM32F0:RTC] Add initial support
[STM32F0:DMA] Add initial support
[STM32F0:DMA] Renamed common file to meet all supported families, added missing files
[STM32F0:RTC] Renamed common files to be consistent to file naming scheme
[STM32F0:COMP] Add preliminary support of module
[STM32F0:SYSCFG] Add support for SYSCFG. Old file moved to common directory for L1 and F234
[STM32F0:EXTI] Add prelimnary support of exti, common file now in common directory
[STM32F0:ADC] Add register definitions
[STM32F0:DAC] Add register definitions
[STM32F0:CEC] Add register definitions
[STM32F0:TSC] Add register definitions
[STM32F0:I2C] Add register definitions
[STM32F0:SPI] Add initial support
[Stylecheck] Code cleaned to current stylecheck script