Added description for Google finance currency conversion
new version added
Dependency removed Description and Summery modified
Integrated google finance currency conversion
Modified spec using google finance url
Added helper for usd to inr response
Added Exception for Currency not found
Specs added
Added placeholders for input and outpu
Error template added
Helper method added to get response
Merge pull request #7 from pankajso/using_google_finance

Using google finance