add main menu and slides.

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
Merge remote-tracking branch 'remotes/origin/mao'

Conflicts:
	prototype/style.css
include ie8 fixs

Signed-off-by: liuyanghejerry <liuyanghejerry@126.com>
20141208_mao