add Logo
add Logo
add logo
add model of brief-comments
finish the model of brief comments
add the view of advanced search
Merge branch 'master' of https://github.com/wwzyhao/PaperBook-MySQL

Conflicts:
	app/views/search/index.ejs
	public/css/style.css
	public/less/style.less
deal with sm conflict
Finish Admin function and fix some bugs
Fix lazy fresh bug for upload,update and detail page by config
Merge pull request #6 from wwzyhao/master

merge wwzyhao logo, and brief comment
rm logo.png
Fix Confilt and merge admin function
Fix brief-comments bug and upload bug