fix level
split cases into two parts
title
Merge pull request #38 from karynsong/dev

fix level of aggs
Merge branch 'dev' of github.com:techird/baidu-fe-site into dev

Conflicts:
	fex/case/cases/armageddon/index.html
	fex/case/cases/dragon/index.html
	fex/case/cases/ironman/index.html
	fex/case/cases/xmas/index.html
	fex/fe.js