调整代码结构，提高可维护性
修改类结构图
Merge branch 'branch_1.1.0' of https://github.com/Baidu-ecom/bi-platform.git into branch_1.1.0
add image folder
Merge branch 'branch_1.1.0' of https://github.com/Baidu-ecom/bi-platform into branch_1.1.0
Merge remote-tracking branch 'remotes/upstream/branch_1.1.0' into branch_1.1.0

Conflicts:
	designer/src/main/resources/public/silkroad/home-new.html