updated junit libraris to junit4

Author: jayunit100

pom.xml

@@ -9,11 +9,10 @@
   <url>http://maven.apache.org</url>
   <dependencies>
     <dependency>
-      <groupId>junit</groupId>
-      <artifactId>junit</artifactId>
-      <version>3.8.1</version>
-      <scope>test</scope>
-    </dependency>
+		<groupId>junit</groupId>
+		<artifactId>junit</artifactId>
+		<version>4.4</version>
+	</dependency>
     <dependency>
       <groupId>org.apache.hadoop</groupId>
       <artifactId>hadoop-core</artifactId>