modify scroll UI
Merge branch 'master' of https://github.com/paulzhengchina/product.git

Conflicts:
	kanban/WebContent/WEB-INF/page/story/storiesOfProject.jsp
	kanban/WebContent/css/common.css
merge
merge
ge
merge
Merge branch 'master' of https://github.com/paulzhengchina/product.git

Conflicts:
	kanban/WebContent/WEB-INF/page/story/storiesOfProject.jsp