updated ant build

Author: cicirello

build/build.xml

@@ -30,7 +30,11 @@
   <target name="compile" depends="init"
         description="compile the source">
     <!-- Compile the Java code from ${src} into ${bin} -->
-    <javac srcdir="${src}" destdir="${bin}" includeantruntime="false"/>
+    <javac srcdir="${src}" destdir="${bin}" includeantruntime="false">
+	<!--
+	   <compilerarg value="-Xlint:unchecked"/>
+	-->
+	</javac>
 	<!-- Compile the JUnit tests from ${testsrc} into ${testbin} -->
 	<javac srcdir="${testsrc}" destdir="${testbin}" classpath="${junit};${bin}" includeantruntime="false"/>	
   </target>
@@ -81,7 +85,7 @@
 			overview="src/overview.html"
 			author="false"
 			version="false">
-		<bottom><![CDATA[Copyright &copy; 2005-2018 Vincent A. Cicirello. <a href=\"https://www.cicirello.org/\" target=_top>https://www.cicirello.org/</a>]]></bottom>
+		<bottom><![CDATA[Copyright &copy; 2005-2019 Vincent A. Cicirello. <a href=\"https://www.cicirello.org/\" target=_top>https://www.cicirello.org/</a>]]></bottom>
 	</javadoc>
   </target>