[CHORE] have app look for custom config file
[CHORE] remove comment
[CHORE] use strict
[CHORE] code clean up
[CHORE] use strict
[CHORE] code clean up
[CHORE] remove ripple gateway dependency
[CHORE] create exchange rate test
[CHORE] improve test coverage
[FEATURE] mailer test
[CHORE] code clean up
[CHORE] code merge
[CHORE] update gateway path