brand filter顺序修复
去除html中的空格等标记
Merge pull request #91 from zhou5211/master

UI fix./Product list sort fix.
我的点评动态高度
Merge pull request #92 from majie1993/master

点评动态高度+brand filter顺序的修复
tab background change
add intro
add introduction
cart/product detail/product comment.