Add Authorize to sensitive headers in zuul proxy

docs/src/main/asciidoc/spring-cloud-netflix.adoc

@@ -1263,7 +1263,7 @@ route, e.g.
   routes:
     users:
       path: /myusers/**
-      sensitiveHeaders: Cookie,Set-Cookie
+      sensitiveHeaders: Cookie,Set-Cookie,Authorization
       url: https://dowstream
 ----
 

spring-cloud-netflix-core/src/main/java/org/springframework/cloud/netflix/zuul/filters/ZuulProperties.java

@@ -123,7 +123,7 @@ public class ZuulProperties {
 		private Boolean retryable;
 
 		private Set<String> sensitiveHeaders = new LinkedHashSet<>(
-				Arrays.asList("Cookie", "Set-Cookie"));
+				Arrays.asList("Cookie", "Set-Cookie", "Authorization"));
 
 		public ZuulRoute(String text) {
 			String location = null;