[FEATURE] replace async with bluebird, handle ripplerest responses
Merge pull request #394 from ripple/ripple-outgoing-error-handling

[FEATURE] replace async with bluebird, handle ripplerest responses
[FEATURE] Use api.ripple.com for REST by default.
[TASK] pass base url on rippleRestClient instances
Merge pull request #399 from ripple/ripple-rest-default

[FEATURE] Use api.ripple.com for REST by default.
[TASK] Remove unused behavior and config.

[TASK] Remove unused deposit completion callback.
[TASK] bump ripple-rest-client version to 1.11.0
Merge pull request #400 from ripple/cleanup-unused-process

LGTM
[DOC] release notes for 3.30.1