updated dependency libraries

pom.xml

@@ -8,7 +8,7 @@
 	<name>R2RML Parser</name>
 	<properties>
 		<maven.test.failure.ignore>true</maven.test.failure.ignore>
-		<spring.framework.version>3.2.2.RELEASE</spring.framework.version>
+		<spring.framework.version>4.0.0.RELEASE</spring.framework.version>
 		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 	</properties>
 
@@ -85,7 +85,7 @@
 		<dependency>
 			<groupId>mysql</groupId>
 			<artifactId>mysql-connector-java</artifactId>
-			<version>5.1.25</version>
+			<version>5.1.28</version>
 		</dependency>
 		<dependency>
 			<groupId>commons-lang</groupId>
@@ -100,19 +100,19 @@
 		<dependency>
 			<groupId>junit</groupId>
 			<artifactId>junit</artifactId>
-			<version>4.9</version>
+			<version>4.11</version>
 			<scope>test</scope>
 		</dependency>
 		<dependency>
 			<groupId>org.slf4j</groupId>
 			<artifactId>slf4j-log4j12</artifactId>
-			<version>1.6.4</version>
+			<version>1.7.5</version>
 		</dependency>
 		<dependency>
 			<groupId>org.apache.jena</groupId>
 			<artifactId>apache-jena-libs</artifactId>
 			<type>pom</type>
-			<version>2.10.1</version>
+			<version>2.11.1</version>
 		</dependency>
 	</dependencies>