added antlib.xml with checkstyle task definition. Also fixed line numbers in suppressions.xml

src/checkstyle/com/puppycrawl/tools/checkstyle/antlib.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0"?>
+<antlib>
+    <taskdef name="checkstyle"
+             classname="com.puppycrawl.tools.checkstyle.CheckStyleTask">
+    </taskdef>
+</antlib>

src/xdocs/anttask.xml

@@ -79,6 +79,27 @@
       <source>
 &lt;taskdef resource=&quot;checkstyletask.properties&quot;/&gt;
       </source>
+
+      <p>
+        Or if you use Ant 1.6 and later and assuming that Checkstyle
+        is in the library search path, then you may use antlib feature
+        of Ant (see <a
+        href="http://ant.apache.org/manual/CoreTypes/antlib.html"
+        >http://ant.apache.org/manual/CoreTypes/antlib.html</a>
+        for more details).  For example:
+      </p>
+
+      <source>
+&lt;project name="foo" ...
+         xmlns:cs="antlib:com.puppycrawl.tools.checkstyle"&gt;
+...
+  &lt;cs:checkstyle&gt;
+  ...
+  &lt;/cs:checkstyle&gt;
+...
+&lt;/project&gt;
+      </source>
+
     </section>
 
     <section name="Parameters">

src/xdocs/releasenotes.xml

@@ -84,6 +84,9 @@
           Applied patch 1340300 from David Dodini to update bcel
           checks to be compilable with current Checkstyle's API.
         </li>
+        <li>
+          Added antlib.xml to support new cool feature of Ant.
+        </li>
       </ul>
 
     </section>

suppressions.xml

@@ -13,7 +13,7 @@
               lines="176"/>
     <suppress checks="MagicNumber"
               files="JavadocMethodCheck.java"
-              lines="751,783,808"/>
+              lines="748,780,805"/>
     <suppress checks="ImportControl"
               files="NewlineAtEndOfFileCheck.java"
               lines="26"/>