[FEATURE] Use morgan and winston for logging.
[FEATURE] Use morgan and winston for logging.

[TASK] Remove rconsole.
Merge branch 'express4' of github.com:ripple/ripple-rest into express4
[TASK] bump ripple-lib to 0.8.1-rc2
Merge pull request #133 from geertweening/task/update-ripple-lib

[TASK] bump ripple-lib to 0.8.1-rc2
Merge pull request #132 from ripple/express4

[FEATURE] Use morgan and winston for logging.
[TASK] adopt specced error types and status codes

and some cleanup
[FEATURE] add error types

- NotFoundError
- TimeOutError

add error and response handler logic to support these types
[FEATURE] finish response handling for payments class
[TASK] follow express deprecation suggestions

for part of the app that has been updated with response handling so far