商城倒序
Merge pull request #75 from majie1993/master

商城倒序
Merge pull request #76 from zhou5211/master

rewrite storyboard for product detail view.
调整商品详情ui
fix conflict&bug
Merge pull request #77 from zyuce/master

调整商品详情ui
Filter:商品->显示分类和功效
Merge branch 'master' of https://github.com/joy32812/beauty
Filter:分类->品牌+功效（功效尚未完成）
Merge pull request #78 from majie1993/master

Filter:商品->显示分类和功效
文章详情ui
Merge pull request #79 from zyuce/master

文章详情ui
调整商品详情顺序
Merge pull request #80 from zyuce/master

调整商品详情顺序
fix hot words bug
add lauch image
fix article comment UI.