ignore trait class in Doctrine Entity folder

Author: Haehnchen

src/main/java/fr/adrienbrault/idea/symfony2plugin/doctrine/EntityHelper.java

@@ -765,8 +765,7 @@ public static Collection<DoctrineModel> getModelClasses(Project project, Map<Str
     }
 
     public static boolean isEntity(PhpClass entityClass, PhpClass repositoryClass) {
-
-        if(entityClass.isAbstract() || entityClass.isInterface()) {
+        if(entityClass.isAbstract() || entityClass.isInterface() || entityClass.isTrait()) {
             return false;
         }