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

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

set proper status and health eureka urls if prefer ip address is set

Change spring-cloud-starter-hystrix-dashboard to spring-cloud-starter-netflix-hystrix-dashboard (#2561)

Change spring-cloud-starter-hystrix-dashboard to spring-cloud-starter-netflix-hystrix-dashboard

* InputStream should always be closed after reading contents from upstreams

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

Closes #2475

fix zuul filters package url in Edgware

Use StringBuffer for String concatenation

Format indent adjustment

* Add support loadBalancerKey in RibbonRoutingFilter

* Add documentation about how to provide a loadBalancerKey to Ribbon

* Add integrationtest for RibbonRoutingFilter's loadBalancerKey support

* Adds backoff policies when retrying requests.  Fixes #2195

* fixing final variable

Incorrect statusPageUrl and healthCheckUrl are reported to Eureka if management.context-path is not set (#2145)