Use tinysou to search
Add opensearch
Fix search url
Fix bug with search url
Remove useless line
Add google analytics
Update google analytics id
Fix style bug with search box
Comment google analytics
Move ga to head
Update tinysou code
Add page title
Fix bug with link to home
Add title to nodes
Modified nav
Modified nav
Merge branch 'master' of https://github.com/wendycan/yuetai.wendycan.org

Conflicts:
	app/views/layouts/_nav.html.haml
Add activeadmin to books
Modified excerpt model
Add excerpt to user