Switch off info endpoint rebinding in Spring Boot 1.4

The new info endpoint doesn't need special treatment to pick up
changes in the Environment, so we can just skip installing the
old bean that manipulates it.

Fixes gh-108

spring-cloud-context/src/main/java/org/springframework/cloud/autoconfigure/RefreshEndpointAutoConfiguration.java

@@ -59,6 +59,7 @@ import org.springframework.integration.monitor.IntegrationMBeanExporter;
 public class RefreshEndpointAutoConfiguration {
 
 	@ConditionalOnBean(EndpointAutoConfiguration.class)
+	@ConditionalOnMissingClass("org.springframework.boot.actuate.info.InfoContributor")
 	@Bean
 	InfoEndpointRebinderConfiguration infoEndpointRebinderConfiguration() {
 		return new InfoEndpointRebinderConfiguration();