Improving the 1st stage of the bootloader
Improving the 1st stage of the bootloader

This change makes the 1st stage of the bootloader to relocate itself to 0x20000
and then to load the rest of its own body as the 2nd stage bootloader.
This makes a lot of things simpler. (#11)

vvaltchev/experimentOs,vvaltchev/experimentOs,vvaltchev/experimentOs,vvaltchev/experimentOs