Merge pull request #238 from IceskYsl/master

add whats-new
Merge pull request #239 from IceskYsl/master

mark icon mo by john
Merge pull request #240 from IceskYsl/master

add jakollee
till anatomy
update
translation completed
添加文件
Merge pull request #243 from hcz017/navdrawer

翻译了Navigation Drawer这一章
Merge pull request #242 from Goshin/master

Style - Icons
add scrolling-techniques