Fixes gh-2421

Fixes #2513

* Adjust the code format

Closes #2475

This reverts commit d5e3cad8.

fix zuul filters package url in Edgware

fix zuul filters package url in Edgware

# Conflicts:
#	docs/pom.xml

fixes gh-2456

Replace @Configuration, @ComponentScan, @EnableAutoConfiguration with @springbootapplication.

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)