Add more informations to credentials binding

* hostname
* name
* username
* password

src/mongodb-open-service-broker/src/main/java/org/springframework/cloud/servicebroker/mongodb/service/MongoAdminService.java

@@ -1,7 +1,6 @@
 package org.springframework.cloud.servicebroker.mongodb.service;
 
 import java.util.Arrays;
-import java.util.Collections;
 import java.util.HashMap;
 import java.util.Map;
 
@@ -219,6 +218,11 @@ public String getServerAddresses() {
 	public Map<String, Object> getCredentialsMap(String database, String username, String password) {
 
 		Map<String, Object> credentials = new HashMap<>();
+		credentials.put("database", (Object) database);
+		credentials.put("username", (Object) username);
+		credentials.put("password", (Object) password);
+		credentials.put("hostname", (Object) this.getServerAddresses());
+
 		if (hamode == false){
 			credentials.put("uri", (Object) this.getConnectionString(database, username, password));
 		}else{