[CHORE] Add db-migrate as non-global dependency.
[CHORE] Refactor call from abstract to data model.
[FEATURE] Remove lib/abstract file.
[FEATURE] Refactor some abstract functions to lib/gateway.
[CHORE] Remove commented out console.log
[CHORE] Refactor "api" to gateway.data
[CHORE] Refactor abstract functions to gateway.
[CHORE] Refactor away abstract calls.
[FEATURE] Add ripple_rest process to Procfile.
[CHORE] Update files to use new global gateway structure.
[CHORE] Remove nconf.js in favor of config.js/