Fixed copying of main_ctl.c when creating a CTL project.

Added EABI and small library variants.

New projects now default to using the EABI toolchain.

Added RPC loader and made it the default.

Implement libmem_lock and libmem_unlock in internal FLASH driver.

Updated header file and memory map files to reflect latest version of reference manual.

Startup code now selects PLL clock after PLL has locked.