Refactor and remove unnecessary scope method
Refactor Account#payment_address method
Generate coin deposit address in background queue.
Using qrcode.js to generate qrcode at front-end
Regenerate coin deposit address if not exists.
Add the init_config script to setup the config files. Then update the development doc.
1. Move the init_config script from script/ folder to bin/ folder.
Because script/ folder will be removed in Rails 4.
2. Use Ruby to copy files instead of shell.
3. Update the development doc.
test for PaymentAddress#gen_address
Refactor coin deposit view
Refactor new deposit view and i18n.
Merge pull request #95 from poshboytl/add_init_config_script

Add the init_config script
Update currencies.yml.example and add blockchain url
Remove unused view helper
Remove deprecated helper method: link_to_block
Refactor and assets does not relay on CoinRPC anymore.
Fixed exception when address_url doen't exists at currencies.yml
introduce price level to orderbook
remove order from price level
remove order from orderbook
rename new orderbook to limit orderbook, recover old orderbook