Updated dependencies in pom and minor formatting cleanup

Author: alex-semenyuk

spring-data-mongodb/pom.xml

@@ -14,6 +14,12 @@
             <artifactId>spring-data-mongodb</artifactId>
             <version>${org.springframework.data.version}</version>
         </dependency>
+        
+        <dependency>
+            <groupId>org.springframework</groupId>
+            <artifactId>spring-core</artifactId>
+            <version>${org.springframework.version}</version>
+        </dependency>
 
         <dependency>
             <groupId>junit</groupId>
@@ -112,7 +118,7 @@
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 
         <org.springframework.data.version>1.7.1.RELEASE</org.springframework.data.version>
-        <org.springframework.version>4.1.7.RELEASE</org.springframework.version>
+        <org.springframework.version>4.2.0.RELEASE</org.springframework.version>
         <org.hamcrest.version>1.3</org.hamcrest.version>
         <junit.version>4.11</junit.version>
         <rest-assured.version>2.4.1</rest-assured.version>

spring-data-mongodb/src/main/java/org/baeldung/model/User.java

@@ -5,7 +5,7 @@
 
 import com.mysema.query.annotations.QueryEntity;
 
-@QueryEntity 
+@QueryEntity
 @Document
 public class User {