Init bootloader project.

Just doc files added. just COPYING file isn't empty.
Rename change logs.

An error of name. Juste rename it.
Add the first file of the project.

Makefile.am and configure.ac are files used by the autotools.
stage1.S is the main ASM bootloader file.
stage.lds is the ld script file, used for generate a 512 file flat binary.
Add lds file in makefile sources.

the lds file wasn't declared in the makefils sources. when you want create a distrib of the package, it will not be included.