Started making SpringBootApplicationProperties yaml aware

Author: fabapp2

components/sbm-support-boot/src/main/java/org/springframework/sbm/boot/properties/api/SpringBootApplicationProperties.java

@@ -50,7 +50,8 @@ public static SpringBootApplicationProperties newApplicationProperties(Path abso
     }
 
     public boolean isDefaultProperties() {
-        return getAbsolutePath().getFileName().toString().equals("application.properties");
+        String filename = getAbsolutePath().getFileName().toString();
+        return filename.equals("application.properties") || filename.equals("application.yaml") || filename.equals("application.yaml");
     }
 
 }