remove public index page
change css and erg to scss and haml
use anjlab-bootstrap-rails, remove bcrypt-ruby
remove markdown in application helper
set timezone to Beijing
add created_at in en.yml
add home page with tricks
show at most 15 tricks in home page
Merge pull request #3 from eric5/home-page

Home page
read me
Merge pull request #4 from eric5/readme

read me