Prevent RibbonRoutingFilter throws exceptions when Http status codes are non-standard(Against the 1.4.x branches) (#2671)

* This PR fixes #2639 and against the 1.4 branches

Fixes #2625

fixes gh-2629

Set hystrix timeout for Zuul routes based on whether the hystrix command timeout, default timeout, or ribbon timeouts are set.  Fixes #2606 (#2633)

* Remove invalid import

* Remove invalid line

* Move Ribbon to its own module. Fixes #2299

* Add logging to RibbonLoadBalancerRetryPolicy

public FeignLoadBalancer.RibbonRequest and FeignLoadBalancer.RibbonResponse to the user to customize their needs (#2536)

* Added util method to upgrade the connection to a secure one.

- Adds support for websocket URIs
- Fixes bug where a non-secure scheme other than http would be changed to https
- Deprecated `updateToHttpsIfNeeded` in favor of `updateToSecureConnectionIfNeeded`

* Expect http when no scheme was set

* Skip update to secure connection when the uri is empty

Fixes gh-808.

* InputStream should always be closed after reading contents from upstreams

* Fixes double encoding when creating secure URLs.  Fixes #2478.

* Adjust the code format