[FEATURE] Add Bridge model and migration.
[FIX] Match correct routes to controllers methods
[TASK] Reorganize routes
[DOC] Fix typo and add information about superuser role in postgres
Prompt for cold wallet secret

Adds a dependency on promptly, but gatewayd no longer needs to have the cold
wallet secret on the command line (and thus in bash history or argv[0]).

Fixes #53
Merge pull request #303 from tdfischer/password-prompt

Prompt for cold wallet secret
Merge pull request #299 from ripple/crud-url-fix

Crud url fix
[FEATURE] DRY Resources CRUD router.

[TASK] Remove whitespace.

[FIX] Syntax error.
[FIX] Rename controller files and use correct resource routes
Merge pull request #302 from ripple/mac-installation-update

[DOC] Fix typo and add information about superuser role in postgres
Merge pull request #297 from ripple/dry-crud-router

[FEATURE] DRY Resources CRUD router.
[FEATURE] Add Procfile for heroku or foreman.

[TASK] Make process names downcase.
[DOC] Add Heroku install docs.
[TASK] Delete unused queues directory
[TASK] Remove unused behavior from lib/core.
Merge pull request #305 from ripple/remove-queues

[TASK] Delete unused queues directory
Merge pull request #306 from ripple/clean-core

[TASK] Remove unused behavior from lib/core.
Merge branch 'master' of github.com:ripple/gatewayd
[TASK] Extract capistrano to gatewayd/gatewayd-capistrano.
[TASK] Extract Docker functionaly to gatewayd/gatewayd-docker.