added sinatra framework

#30 
#22 

added backbone, haml, sass framework
separate app and api routes

app is able to access javascript on the browser

added d3js library

Added a backbone simple example

added a JST support

create jst folder

added control panel skeleton

getting daily rates data from database

added d3 graph sample using real data

added capistrano and unicorn gems and scaffolding

added unicorn prod config
fixed rvm config in deploy.rb

using rails_env instead of rack_env
using unicorn port instead of socket

using log instead of logs

removed bin in deploy.rb

using vendor/bundle

wrong config for bundle_path

linking vendor/bundle

accidentally added extra ,

use lower case haml

ignoring log instead of logs

using :unicorn_rack_env

fixed deployment

fixed load-latest script

print RACK_ENV