Add harness module with MockRouter class. We'll put MockBackend here, too.
Add harness module with MockRouter class. We'll put MockBackend here,
too.

peterayeni/rapidsms,caktus/rapidsms,eHealthAfrica/rapidsms,eHealthAfrica/rapidsms,peterayeni/rapidsms,dimagi/rapidsms-core-dev,catalpainternational/rapidsms,lsgunth/rapidsms,lsgunth/rapidsms,rapidsms/rapidsms-core-dev,ehealthafrica-ci/rapidsms,unicefuganda/edtrac,unicefuganda/edtrac,ehealthafrica-ci/rapidsms,ken-muturi/rapidsms,ken-muturi/rapidsms,dimagi/rapidsms-core-dev,caktus/rapidsms,rapidsms/rapidsms-core-dev,peterayeni/rapidsms,caktus/rapidsms,catalpainternational/rapidsms,ehealthafrica-ci/rapidsms,ken-muturi/rapidsms,peterayeni/rapidsms,eHealthAfrica/rapidsms,catalpainternational/rapidsms,lsgunth/rapidsms,unicefuganda/edtrac,lsgunth/rapidsms,catalpainternational/rapidsms,dimagi/rapidsms,dimagi/rapidsms