Typo fix
Merge pull request #15 from 0x1A/master

Various typo fixes
Merge pull request #13 from Ocramius/patch-1

Typo fix
Fix #11
Remove elf file
Add more informations about managing the console screen
Add informations about Assembly interface
fix typo - floopy => floppy
Merge pull request #17 from meandavejustice/patch-1

fix typo - floopy => floppy
Divide chapter about IDT and GDT
Add base introduction to the GDT
Add infos about GDTR
Add link to chapter 6
Add infos about types
Add images for gdt chapter
Add structure for gdt segment
Refactor some comment in x86.cc
Translate some comments
Add more informations about gdt initialization
Improve some comments