Keep transaction simplication

wise-webapp/src/main/java/com/wisemapping/config/AppConfig.java

@@ -1,7 +1,12 @@
 package com.wisemapping.config;
 
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.Configuration;
+import org.springframework.transaction.TransactionManager;
+import org.springframework.transaction.annotation.EnableTransactionManagement;
+import org.springframework.transaction.interceptor.TransactionAttributeSource;
+import org.springframework.transaction.interceptor.TransactionInterceptor;
 import org.springframework.web.servlet.HandlerExceptionResolver;
 import org.springframework.web.servlet.ViewResolver;
 import org.springframework.web.servlet.config.annotation.EnableWebMvc;
@@ -11,8 +16,12 @@ import org.springframework.web.servlet.view.JstlView;
 
 @EnableWebMvc
 @Configuration
+@EnableTransactionManagement
 public class AppConfig {
 
+    @Autowired
+    TransactionManager txManager;
+
     @Bean
     HandlerExceptionResolver errorHandler() {
         final SimpleMappingExceptionResolver result =  new SimpleMappingExceptionResolver();