Reverts part of a change made for gh-349 and rationalizes a bit of the
Eureka configuration. The Eureka client cannot be shutdown without
attempting to restart it (but there isn't an obvious public API for
that), so it's better not to shut it down at all.

See gh-421

Move turbine/hystrix amqp specific implementations to spring-cloud-stream based implementations and let the user decide which broker to use.

fixes gh-545

1.4.15 isn't in maven central yet

fixes gh-534

fixes gh-540

see gh-539

fixes gh-535

* CPGFinanceSystems-master:
  Add X-Forwarded-Proto HTTP header to zuul proxy requests

If the zuul reverse proxy and the destination services are using a different scheme
(for example HTTPS on proxy side and HTTP on service side) an additional HTTP
header is required according to RFC7239 [http://tools.ietf.org/html/rfc7239]

Bumps to Feign 8.8.1

Change from @Autowired to context.getBean

Solves problems where FeignClientFactoryBean is run before auto-configuration.

fixed gh-441

Replaced incorrect @PathParameter with @PathVariable

* eureka-healthcheck:
  Eureka health check

Conflicts:
	.travis.yml

Fixes gh-306

Replace XD logo with a Eureka logo

* Fixes gh-310