search for books support author, name and isbn
add delayed_job
add five_days_left_remind
SQL refactoring for order and borrow
Add admin borrow page
Merge branch 'feature/email_notification' into develop
Fix conflict
updated email setting and fix bug about borrow validation.
Highlight the side_bar link
Fix some borrow bug
Fix firefox bug of sidebar highlight
Delete unused coffee-js
add no_records page and add return_date column
Calculate should_return_date from when it's delivered
shipout order when return book
Add user info in borrows page
improve order page and other features
Clear up binding.pry in code

Please remove debug code before commmit.
add capistrano for deployment
Merge pull request #3 from shawzt/develop

merge develop