add page filter
Merge branch 'develop' into member_center

Conflicts:
	src/main/webapp/WEB-INF/view/bargain/buyer_bargaining_process.jsp
add feature: 購買折價卷layout, and some bug
add feature : 驗證信用卡,驗證會員優惠 UI
add:show 價格
add : 扣價卷步驟,顯示折扣價格資訊
Merge branch 'member_center' into develop

Conflicts:
	src/main/webapp/WEB-INF/view/common/footer.jsp
	src/main/webapp/WEB-INF/view/common/header.jsp