added checkstyle

Author: ajaynsrinivas

build.xml

@@ -13,11 +13,4 @@
             <classpath refid="compile.classpath"/>
         </javac>
     </target>
-    <target name="war" depends="compile">
-        <war webxml="WebContent/WEB-INF/web.xml" destfile="dist/SampleWebApp.war">
-            <fileset dir="WebContent"/>
-            <lib dir="WebContent/WEB-INF/lib"/>
-            <classes dir="build/classes"/>
-        </war>
-    </target>
-</project>
+ </project>

sun_checks.xml

@@ -0,0 +1,13 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+          "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+          "http://checkstyle.sourceforge.net/dtds/configuration_1_3.dtd">
+
+<module name="Checker">
+    <module name="JavadocPackage"/>
+    <module name="TreeWalker">
+        <module name="AvoidStarImport"/>
+        <module name="ConstantName"/>
+        <module name="EmptyBlock"/>
+    </module>
+</module>