added log4j library and properties file.

libs/apache-log4j-1.2.17/INSTALL

@@ -0,0 +1,104 @@
+ Licensed to the Apache Software Foundation (ASF) under one or more
+ contributor license agreements.  See the NOTICE file distributed with
+ this work for additional information regarding copyright ownership.
+ The ASF licenses this file to You under the Apache License, Version 2.0
+ (the "License"); you may not use this file except in compliance with
+ the License.  You may obtain a copy of the License at
+
+      http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+
+
+===========
+Using log4j
+===========
+
+1) First untar or unzip the distribution file.
+
+2) Assuming you chose to extract the distribution in to the
+   PATH_OF_YOUR_CHOICE, untarring the distribution file should create
+   a logging-log4j-VERSION directory, where VERSION is the log4j
+   version number, under PATH_OF_YOUR_CHOICE. We will refer to the
+   directory PATH_OF_YOUR_CHOICE/apache-log4j-VERSION/ as $LOG4J_HOME/.
+
+3) Add $LOG4J_HOME/log4j-VERSION.jar to your CLASSPATH,
+
+4) You can now test your installation by first compiling the following
+   simple program.
+
+    import org.apache.log4j.Logger;
+    import org.apache.log4j.BasicConfigurator;
+
+    public class Hello {
+
+      private static final Logger logger = Logger.getLogger(Hello.class);
+
+      public
+      static
+      void main(String argv[]) {
+    	BasicConfigurator.configure();
+    	logger.debug("Hello world.");
+    	logger.info("What a beatiful day.");
+      }
+    }
+
+
+   After compilation, try it out by issuing the command
+
+      java Hello
+
+   You should see log statements appearing on the console.
+
+5) Refer to the javadoc documentation and the user manual on how to
+   include log statements in your own code.
+
+=========
+JAR files
+=========
+
+The log4j distribution comes with one jar file: log4j-VERSION.jar
+under the LOG4J_HOME directory.
+
+This jar file contains all the class files of the log4j project,
+except test cases and classes from the "examples" and
+"org.apache.log4j.performance" packages.
+
+
+==============
+Building log4j
+==============
+
+log4j (as of 1.2.15) is built with Maven 2.  To rebuild log4j,
+place Maven 2 on the PATH and execute "mvn package".  The resulting
+jar will be placed in the target subdirectory.
+
+If building with JDK 1.4, one dependency will need to be manually
+installed since its license does not allow it to be placed in the
+online maven repositories.  If not already installed, a build attempt will
+describe where to download and how to install the dependency.  To
+install the dependency:
+
+Download JMX 1.2.1 from http://java.sun.com/products/JavaManagement/download.html.
+
+$ jar xf jmx-1_2_1-ri.zip
+$ mvn install:install-file -DgroupId=com.sun.jmx -DartifactId=jmxri \
+          -Dversion=1.2.1 -Dpackaging=jar -Dfile=jmx-1_2_1-bin/lib/jmxri.jar
+
+
+The build script will attempt to build NTEventLogAppender.dll if
+MinGW is available on the path.  If the unit tests are run on Windows
+without NTEventLogAppender.dll, many warnings of the missing DLL
+will be generated.  An installer for MinGW on Windows is
+available for download at http://sourceforge.net/project/showfiles.php?group_id=2435.
+MinGW is also available through the package managers of many Linux distributions.
+
+In case of problems send an e-mail note to
+[email protected].  Please do not directly e-mail any
+log4j developers. The answer to your question might be useful to other
+users. Moreover, there are many knowledgeable users on the log4j-user
+mailing lists who can quickly answer your questions.

libs/apache-log4j-1.2.17/LICENSE

@@ -0,0 +1,202 @@
+
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libs/apache-log4j-1.2.17/NOTICE

@@ -0,0 +1,5 @@
+Apache log4j
+Copyright 2010 The Apache Software Foundation
+
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).

libs/apache-log4j-1.2.17/build.properties.sample

@@ -0,0 +1,71 @@
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+#
+
+#
+#   Providing a build.properties file is no longer 
+#      necessary for an Ant build as long as one Maven build
+#      has previously been performed.
+#
+
+
+#   base location of support directories
+#
+lib.home.dir=/java
+
+# The jaxp interface and a jaxp parser are required
+# to build the DOMConfigurator.
+#
+#   modern equivalent is xml-commons-apis.jar
+#
+jaxp.home=${lib.home.dir}/crimson-1.1.3
+jaxp.jaxp.jar=${jaxp.home}/crimson.jar
+
+# JavaMail API Required to build the SMTPAppender
+javamail.jar=${lib.home.dir}/javamail-1.3.2/mail.jar
+
+# and JavaBeans Activation Framework
+# http://java.sun.com/products/javabeans/jaf/index.jsp
+activation.jar=${lib.home.dir}/jaf-1.0.2/activation.jar
+
+
+# JMS interfaces are required to be on the classpath
+# in order to build the JMSAppender.
+jms.jar=${lib.home.dir}/jms1.1/lib/jms.jar
+
+# Required to build the org.apache.log4j.jmx package.
+jmx.home.dir=${lib.home.dir}/jmx-1_2_1-bin
+jmx.jar=${jmx.home.dir}/lib/jmxri.jar
+jndi.jar=${lib.home.dir}/jndi-1_2_1/lib/jndi.jar
+
+# Required to run Checkstyle. Available from http://checkstyle.sf.net
+checkstyle.jar=${lib.home.dir}/checkstyle-2.2/checkstyle-all-2.2.jar
+
+# Velocity's Anakia task is used in the generation of the documentation
+# download from http://jakarta.apache.org
+velocity.jar=${lib.home.dir}/velocity-1.4/velocity-dep-1.4.jar
+# Velocity's Anakia task requires JDOM, 
+# but Velocity 1.4 is not compatible with JDOM 1.0, but beta 8 works okay
+# download for http://www.jdom.org/dist/binary/archive
+jdom.jar=${lib.home.dir}/jdom-b8/build/jdom.jar
+
+
+#
+#   CLIRR binary compatibility checker
+#      http://clirr.sourceforge.net
+clirr-core.jar=${lib.home.dir}/clirr-0.6/clirr-core-0.6.jar
+#  bcel 5.1 will throw NullPointerExceptions
+bcel.jar=${lib.home.dir}/bcel-5.2/bcel-5.2.jar