added a rake task to select the top 5 currencies to purchase

better formatting
Merge pull request #40 from bonniecpk/first-analysis

added a rake task to select the top 5 currencies to purchase
added a adhoc logger for now

added a logger for top_5 analysis

added global flogger for global logging
added web, plain and console loggers

wrong syntax
Merge pull request #41 from bonniecpk/logger

added a adhoc logger for now
using function instead of instance variable
Merge pull request #42 from bonniecpk/bug1

using function instead of instance variable
fixed x-axis with correct dates

added currency drop down to control panel

change domain name to exchange.fortune.me

combine the javascript together (temporarily)