have own junit instead of using plexi's

junit is not part of plexi lib binary. junit
is needed to carry out 4.0.0 release build.
so putting it inside of lib
diff --git a/build.xml b/build.xml
index 44e69f9..5a9d02a 100644
--- a/build.xml
+++ b/build.xml
@@ -17,7 +17,7 @@
   <property name="javadoc.dir" location="${build.dir}/javadoc"/>
   <property name="resource.dir" location="resources"/>
   <property name="lib.dir" location="lib"/>
-  <property name="junit.jar" location="${lib.dir}/plexi/lib/junit-4.8.2.jar"/>
+  <property name="junit.jar" location="${lib.dir}/junit-4.8.2.jar"/>
   <property name="adaptor.class"
     value="com.google.enterprise.adaptor.fs.FsAdaptor"/>
   <property name="adaptor.args" value=""/>
diff --git a/lib/junit-4.8.2.jar b/lib/junit-4.8.2.jar
new file mode 100644
index 0000000..5b4bb84
--- /dev/null
+++ b/lib/junit-4.8.2.jar
Binary files differ