Cleanup HTTP logging
Review Request #9605 - Created Feb. 8, 2018 and submitted
The HTTP logging utilities have been moved to their own module to clean
up main.go, which is getting crowded. The old
replaced with the
logRequestdecorator and the logging format has been
updated to use the Common Logging Format which is logged by most HTTP
A new convenience method has been added that returns an http server
configured with the RB Gateway routes.
Ran unit tests.