Move dropwizard-testing into snowizard-service
Renamed SnowizardClientTest to SnowizardClientIT and added maven-failsafe-plugin to demonstration integration testing
* Renamed getHttpClient() to newHttpClient() to return a new instance of an HttpClient
* Added a new getHttpClient() method to return the internal HttpClient
* Added a close() method to close the internal HttpClient's connection pool
Added some comments
Use failBecauseExceptionWasNotThrown()
Don't require usage of AutoRetryHttpClient()