change to xelatex to compile and remove book.pdf

Signed-off-by: xiehuc <xiehuc@gmail.com>
add translate to debuging

Signed-off-by: xiehuc <xiehuc@gmail.com>
finish debuging chapter section 1 and 2

Signed-off-by: xiehuc <xiehuc@gmail.com>
adding section 3 in debuging chapter

Signed-off-by: xiehuc <xiehuc@gmail.com>
finish debuging chapter section 3

Signed-off-by: xiehuc <xiehuc@gmail.com>
Merge pull request #2 from xiehuc/master

add debuging chapter, change to xelatex to compile and remove book.pdf