Introduced detailed instruction about file usage.
minor update for new user 'kalos' added.
New user Kalos introduced, update to translation status table.
UPdate for Translation status table.
* zh/book/ch00.xml: remark, finished.
* zh/book/ch00.xml: remark, finished the first sector.
missed tag <ulink> on it transaltion
translation continued
proofread continued
Another piece translated
