Currency Rates Aggregator (unit tests, mockito)

Mockito link: https://mockito.googlecode.com/files/mockito-all-1.9.5.jar
Currency Rates Aggregator (unit tests, mockito)

Mockito link: https://mockito.googlecode.com/files/mockito-all-1.9.5.jar
In case of NoSuchMethodError please read the following article:

https://tedvinke.wordpress.com/2013/12/17/mixing-junit-hamcrest-and-mockito-explaining-nosuchmethoderror/
Merge pull request #5 from lozio21/master

Currency Rates Aggregator (unit tests, mockito)