Consistent property source ordering with names

Update ConfigFileApplicationListener so that custom names and custom
locations use consistent ordering. i.e. earlier items take precedence
(same as @ProperySource).

spring-boot/src/main/java/org/springframework/boot/config/ConfigFileApplicationListener.java

@@ -369,12 +369,12 @@ public class ConfigFileApplicationListener implements
 
 		private void addLoadCandidatesFromSearchLocations(
 				ConfigurableEnvironment environment, Set<String> candidates) {
+			String[] names = StringUtils.commaDelimitedListToStringArray(environment
+					.resolvePlaceholders(ConfigFileApplicationListener.this.names));
 			for (String location : ConfigFileApplicationListener.this.searchLocations) {
 				for (String extension : new String[] { ".properties", ".yml" }) {
-					for (String name : StringUtils
-							.commaDelimitedListToStringArray(environment
-									.resolvePlaceholders(ConfigFileApplicationListener.this.names))) {
-						candidates.add(location + name + extension);
+					for (int i = names.length - 1; i >= 0; i--) {
+						candidates.add(location + names[i] + extension);
 					}
 				}
 			}

spring-boot/src/test/java/org/springframework/boot/config/ConfigFileApplicationListenerTests.java

@@ -108,7 +108,7 @@ public class ConfigFileApplicationListenerTests {
 
 	@Test
 	public void loadTwoPropertiesFiles() throws Exception {
-		this.initializer.setNames("testproperties,moreproperties");
+		this.initializer.setNames("moreproperties,testproperties");
 		this.initializer.onApplicationEvent(this.event);
 		String property = this.environment.getProperty("my.property");
 		assertThat(property, equalTo("frommorepropertiesfile"));