jvlc: log4j and ioutils dependencies added

bindings/java/core/pom.xml

 <?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" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd ">
+<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>
   <parent>
     <groupId>org.videolan</groupId>
@@ -22,6 +23,16 @@
       <version>4.4</version>
       <scope>test</scope>
     </dependency>
+    <dependency>
+      <groupId>org.slf4j</groupId>
+      <artifactId>slf4j-log4j12</artifactId>
+      <version>1.5.2</version>
+    </dependency>
+    <dependency>
+    	<groupId>commons-io</groupId>
+    	<artifactId>commons-io</artifactId>
+    	<version>1.3.2</version>
+    </dependency>
   </dependencies>
   <ciManagement>
     <system>Hudson</system>