use pg inproduction
revise pypo
delete SocialLibrary.iml
pass write
revise applicatioin.css
thumb data
create _tile_list view
add culumn image_url to WantedBook
add column image_url to ProvidedBook
db:migrate
scaffold dashbord
db:migrate
adapt bootstrap to Dashboard
_tile_list to common view
add keyword attr to dashboard
create search view