added mail package
added mail package
added email controller
added email controller
added favicon
added favicon
added color
added color
config email
config email
Merge branch 'master' of github.com:liuzenan/wowcheer

Conflicts:
	app/controllers/email.js
Merge branch 'master' of github.com:liuzenan/wowcheer

Conflicts:
	app/controllers/email.js
fix various bug
fix various bug
added renren
added renren
added renren auth
added renren auth
fix renren login
fix renren login