Add test and fix bug.
Merge pull request #17 from team-umlaut/dispatched-service-bug

Add test and fix the DispatchedService::Successful bug.
Add the group name to the individual service.
Cleanup whitespace and add ServiceStore test.
Merge branch 'add-group-to-service' of github.com:team-umlaut/umlaut into add-group-to-service
Cleanup whitespace.