add quiz, ready to translate
add translator
Update 2012-09-17-nscharacterset.md
First commit
self-reviewed
Adjustment according to the review.
finish up NSCharacterSet
quiz 1 finished
Translate 'UILocalizedIndexedCollation' to simple Chinese
modify through comment
Merge pull request #134 from crazytonyli/20121029

Translate 'UILocalizedIndexedCollation' to simple Chinese
Merge pull request #133 from croath/zh-Hans

new translation
Merge pull request #132 from rickytan/nshipster-quiz

add nshipster quiz #1
Merge pull request #131 from rickytan/nscharacterset

finish Nscharacterset
Merge pull request #128 from LiLejia/AddressBookUI

Added Chinese Translation to  Addressbook UI