[TASK] Extract capistrano to gatewayd/gatewayd-capistrano.
[TASK] Extract Docker functionaly to gatewayd/gatewayd-docker.
[FIX] set to a certain amount instead of always 0
[FIX] pass cold wallet address only to callback
[FEATURE] accept amount
[TASK] accept 0 if amount is not provided
[TASK] bump ripple-rest-client version
[TASK] Move config/config.js to lib/config.js
To eliminate confusion with config/config.json
config/config.js now points to lib/config.js