diff --git a/model/pom.xml b/model/pom.xml
index de096eb..686ef99 100644
--- a/model/pom.xml
+++ b/model/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.expt.blog</groupId>
diff --git a/mvc/pom.xml b/mvc/pom.xml
index 6c3580a..23f1fbe 100644
--- a/mvc/pom.xml
+++ b/mvc/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.expt.blog</groupId>
diff --git a/pom.xml b/pom.xml
index a408706..1f50140 100644
--- a/pom.xml
+++ b/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.expt.blog</groupId>
@@ -15,10 +16,10 @@
     </properties>
 
     <modules>
-      <module>webapp</module>
-      <module>mvc</module>
-      <module>service</module>
-      <module>model</module>
+        <module>webapp</module>
+        <module>mvc</module>
+        <module>service</module>
+        <module>model</module>
     </modules>
 
     <pluginRepositories>
@@ -74,7 +75,9 @@
                 <executions>
                     <execution>
                         <phase>package</phase>
-                        <goals><goal>copy</goal></goals>
+                        <goals>
+                            <goal>copy</goal>
+                        </goals>
                         <configuration>
                             <artifactItems>
                                 <artifactItem>
diff --git a/service/pom.xml b/service/pom.xml
index e14aec9..9b0deea 100644
--- a/service/pom.xml
+++ b/service/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.expt.blog</groupId>
diff --git a/webapp/pom.xml b/webapp/pom.xml
index e56177e..c4be0b7 100644
--- a/webapp/pom.xml
+++ b/webapp/pom.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
     <modelVersion>4.0.0</modelVersion>
     <groupId>org.expt.blog</groupId>
diff --git a/webapp/src/main/webapp/WEB-INF/layouts/templates.xml b/webapp/src/main/webapp/WEB-INF/layouts/templates.xml
index 97a326f..4235254 100644
--- a/webapp/src/main/webapp/WEB-INF/layouts/templates.xml
+++ b/webapp/src/main/webapp/WEB-INF/layouts/templates.xml
@@ -1,7 +1,5 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<!DOCTYPE tiles-definitions PUBLIC
- "-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN"
- "http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
+<!DOCTYPE tiles-definitions PUBLIC "-//Apache Software Foundation//DTD Tiles Configuration 2.0//EN" "http://tiles.apache.org/dtds/tiles-config_2_0.dtd">
 <tiles-definitions>
 
     <!-- ============================================================================= -->
diff --git a/webapp/src/main/webapp/WEB-INF/spring/app-config.xml b/webapp/src/main/webapp/WEB-INF/spring/app-config.xml
index 756e01a..bd0a503 100644
--- a/webapp/src/main/webapp/WEB-INF/spring/app-config.xml
+++ b/webapp/src/main/webapp/WEB-INF/spring/app-config.xml
@@ -2,16 +2,14 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:context="http://www.springframework.org/schema/context"
-    xsi:schemaLocation="http://www.springframework.org/schema/beans 
-        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
-        http://www.springframework.org/schema/context 
-        http://www.springframework.org/schema/context/spring-context-3.1.xsd">
+    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+                        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">
 
     <context:component-scan base-package="org.expt" />
 
     <!-- import the configurations of the infrastructure systems of the application. -->
     <import resource="data-config.xml" />
-    
+
     <!-- import the configurations of the user libraries of the application. -->
     <import resource="user/expt-blog-config.xml" />
 
diff --git a/webapp/src/main/webapp/WEB-INF/spring/data-config.xml b/webapp/src/main/webapp/WEB-INF/spring/data-config.xml
index 649579d..961884d 100644
--- a/webapp/src/main/webapp/WEB-INF/spring/data-config.xml
+++ b/webapp/src/main/webapp/WEB-INF/spring/data-config.xml
@@ -1,46 +1,43 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <beans xmlns="http://www.springframework.org/schema/beans"
-     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-     xmlns:p="http://www.springframework.org/schema/p"
-     xmlns:context="http://www.springframework.org/schema/context"
-     xmlns:tx="http://www.springframework.org/schema/tx"
-     xmlns:jpa="http://www.springframework.org/schema/data/jpa"
-     xsi:schemaLocation="http://www.springframework.org/schema/beans
-        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
-        http://www.springframework.org/schema/context
-        http://www.springframework.org/schema/context/spring-context-3.1.xsd
-        http://www.springframework.org/schema/tx
-        http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
-        http://www.springframework.org/schema/data/jpa
-        http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns:p="http://www.springframework.org/schema/p"
+    xmlns:context="http://www.springframework.org/schema/context"
+    xmlns:tx="http://www.springframework.org/schema/tx"
+    xmlns:jpa="http://www.springframework.org/schema/data/jpa"
+    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+                        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
+                        http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-3.1.xsd
+                        http://www.springframework.org/schema/data/jpa http://www.springframework.org/schema/data/jpa/spring-jpa.xsd">
 
     <!-- here is to add the settings for the data source. -->
 
-    <context:component-scan base-package="org.expt"/>
+    <context:component-scan base-package="org.expt" />
 
     <!--///////////////////////////////////////////////////////////////////////////////-->
     <!-- OOM Dozer configure -->
 
     <!-- Dozer's Mapper Factory -->
     <bean class="org.dozer.spring.DozerBeanMapperFactoryBean">
-        <property name="mappingFiles" value="classpath:/META-INF/dozer/*mapping.xml"/>
+        <property name="mappingFiles" value="classpath:/META-INF/dozer/*mapping.xml" />
     </bean>
 
     <!--///////////////////////////////////////////////////////////////////////////////-->
     <!-- ORM JPA configure -->
 
-    <context:property-placeholder location="classpath:db.properties"/>
+    <context:property-placeholder location="classpath:db.properties" />
 
     <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
-        <property name="driverClassName" value="${db.driver}"/>
-        <property name="url" value="${db.url}"/>
-        <property name="username" value="${db.username}"/>
-        <property name="password" value="${db.password}"/>
+        <property name="driverClassName" value="${db.driver}" />
+        <property name="url" value="${db.url}" />
+        <property name="username" value="${db.username}" />
+        <property name="password" value="${db.password}" />
     </bean>
 
-    <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
-        <property name="persistenceUnitName" value="expt-pu"/>
-        <property name="dataSource" ref="dataSource"/>
+    <bean id="entityManagerFactory"
+        class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
+        <property name="persistenceUnitName" value="expt-pu" />
+        <property name="dataSource" ref="dataSource" />
         <property name="jpaVendorAdapter">
             <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
                 <property name="showSql" value="true" />
diff --git a/webapp/src/main/webapp/WEB-INF/spring/locale-config.xml b/webapp/src/main/webapp/WEB-INF/spring/locale-config.xml
index 04d6b1f..c46424b 100644
--- a/webapp/src/main/webapp/WEB-INF/spring/locale-config.xml
+++ b/webapp/src/main/webapp/WEB-INF/spring/locale-config.xml
@@ -3,32 +3,29 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:mvc="http://www.springframework.org/schema/mvc"
     xmlns:context="http://www.springframework.org/schema/context"
-    xsi:schemaLocation="http://www.springframework.org/schema/beans 
-        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
-        http://www.springframework.org/schema/mvc 
-        http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd  
-        http://www.springframework.org/schema/context 
-        http://www.springframework.org/schema/context/spring-context-3.1.xsd">
+    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+                        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd
+                        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">
 
     <!-- declare the i18n message source. -->
-    <bean id="messageSource" 
-        class="org.springframework.context.support.ReloadableResourceBundleMessageSource">     
-        <property name="basename" value="WEB-INF/i18n/messages"/>
-        <property name="fallbackToSystemLocale" value="false"/>
-        <property name="defaultEncoding" value="UTF-8"/>
+    <bean id="messageSource"
+        class="org.springframework.context.support.ReloadableResourceBundleMessageSource">
+        <property name="basename" value="WEB-INF/i18n/messages" />
+        <property name="fallbackToSystemLocale" value="false" />
+        <property name="defaultEncoding" value="UTF-8" />
     </bean>
-    
+
     <!-- declare the i18n interceptor. -->
     <mvc:interceptors>
         <bean class="org.springframework.web.servlet.i18n.LocaleChangeInterceptor">
-             <property name="paramName" value="locale"/>
+            <property name="paramName" value="locale" />
         </bean>
     </mvc:interceptors>
-    
+
     <!-- declare the i18n resolver. -->
     <bean id="localeResolver"
         class="org.springframework.web.servlet.i18n.CookieLocaleResolver">
-        <property name="cookieName" value="locale"/>
-    </bean> 
+        <property name="cookieName" value="locale" />
+    </bean>
 
 </beans>
diff --git a/webapp/src/main/webapp/WEB-INF/spring/mvc-config.xml b/webapp/src/main/webapp/WEB-INF/spring/mvc-config.xml
index 58288e7..ec7ec47 100644
--- a/webapp/src/main/webapp/WEB-INF/spring/mvc-config.xml
+++ b/webapp/src/main/webapp/WEB-INF/spring/mvc-config.xml
@@ -4,12 +4,9 @@
     xmlns:p="http://www.springframework.org/schema/p"
     xmlns:context="http://www.springframework.org/schema/context"
     xmlns:mvc="http://www.springframework.org/schema/mvc"
-    xsi:schemaLocation="http://www.springframework.org/schema/beans
-        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
-        http://www.springframework.org/schema/context
-        http://www.springframework.org/schema/context/spring-context-3.1.xsd
-        http://www.springframework.org/schema/mvc
-        http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">
+    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+                        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd
+                        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-3.1.xsd">
 
     <!-- here is to add the settings for the servlet mvc framework. -->
 
@@ -40,7 +37,8 @@
     <bean class="org.springframework.web.servlet.mvc.method.annotation.RequestMappingHandlerAdapter">
         <property name="messageConverters">
             <list>
-                <bean class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter"/>
+                <bean
+                    class="org.springframework.http.converter.json.MappingJackson2HttpMessageConverter" />
             </list>
         </property>
     </bean>
diff --git a/webapp/src/main/webapp/WEB-INF/spring/user/expt-blog-config.xml b/webapp/src/main/webapp/WEB-INF/spring/user/expt-blog-config.xml
index 8321b07..7e3d54d 100644
--- a/webapp/src/main/webapp/WEB-INF/spring/user/expt-blog-config.xml
+++ b/webapp/src/main/webapp/WEB-INF/spring/user/expt-blog-config.xml
@@ -2,10 +2,8 @@
 <beans xmlns="http://www.springframework.org/schema/beans"
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xmlns:context="http://www.springframework.org/schema/context"
-    xsi:schemaLocation="http://www.springframework.org/schema/beans
-        http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
-        http://www.springframework.org/schema/context
-        http://www.springframework.org/schema/context/spring-context-3.1.xsd">
+    xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd
+                        http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd">
 
     <!-- //////////////////////////////////////////////////////////////////////////// -->
     <!-- service object -->
diff --git a/webapp/src/main/webapp/WEB-INF/web.xml b/webapp/src/main/webapp/WEB-INF/web.xml
index 52602c4..21a6a1c 100644
--- a/webapp/src/main/webapp/WEB-INF/web.xml
+++ b/webapp/src/main/webapp/WEB-INF/web.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<web-app  version="3.0" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+<web-app version="3.0" xmlns="http://java.sun.com/xml/ns/javaee"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">
 
     <display-name>expt-blog</display-name>