SCons: PlatformTools: Added new tests that can be performed on target
SCons: Template: Enable Jinja2 do extention
Cortex-M3: Removed stm32 specific code from startup.c

TODO:
* Add lpc specific macros (mostly peripheral interrupt names)
* Add STM32F1 and STM32F3 support to the stm32 macros
STM32: Clock: Tests are now called stm32f4/stm32f2 instead of f4/f2