fix "Missing argument" in services.yml doesn't keep track of factory methods #492

Author: Haehnchen

src/fr/adrienbrault/idea/symfony2plugin/intentions/yaml/YamlServiceArgumentInspection.java

@@ -23,7 +23,7 @@
  */
 public class YamlServiceArgumentInspection extends LocalInspectionTool {
 
-    public static final String[] INVALID_KEYS = new String[]{"parent", "factory-class", "factory-service", "abstract", "abstract"};
+    private static final String[] INVALID_KEYS = new String[]{"parent", "factory_class", "factory_service", "factory_method", "abstract", "factory"};
     private ContainerCollectionResolver.LazyServiceCollector lazyServiceCollector;
 
     @NotNull