[FEATURE]  Remove worker processes from parent server process.
[FEATURE] ADd incoming, outgoing payment workers to Procfile.
Merge pull request #18 from ripple/sz-modularize

[FEATURE] Move child processes to separate processes
Merge pull request #17 from kevinejohn/master

[CHORE] Removed server log file from repo. Fixed typo in package.json
[FEATURE] Default port to 5000.
[FEATURE] Strip down server.js to use new modules.
[CHORE] Remove unused test files.
[FEATURE] Extract controllers, models into separate files.
[FEATURE] Convert passport to use adapter.
[FEATURE] Extract database migrations to separate module.
[CHORE] Require gateway-express module dependency.
[CHORE] Remove lots of deprecated config files.
[CHORE] Update require paths.
[FEATURE] Rename workers "incoming" and "outgoing"
Merge pull request #19 from ripple/sz-modularize

[FEATURE] modularize
[FEATURE] configure adapter and gateway express dependency
Merge pull request #20 from geertweening/configure-adapter-and-gateway

[FEATURE] configure adapter and gateway express dependency
[FEATURE] Add sequelize adapter as dependency.
[FEATURE] Fix bin/gateway key:get by removing User model.
[CHORE] Bump patch.