Removed meta date tag and use single quotes to at least be consistent on

Windows as well; the double quotes were removed from the actual javadoc html.

build.xml

@@ -196,15 +196,15 @@
 			<classpath refid="lombok.deps.path" />
 			<classpath refid="lombok.libs.path" />
 			<link href="http://java.sun.com/javase/6/docs/api/" offline="true" packagelistLoc="./deps/javadoc/java6"/>
-			<bottom><![CDATA[<i>Copyright &#169; 2009 Reinier Zwitserloot and Roel Spilker, licensed under the <a href="http://www.opensource.org/licenses/mit-license.php">MIT licence</a>.]]></bottom>
+			<bottom><![CDATA[<i>Copyright &#169; 2009 Reinier Zwitserloot and Roel Spilker, licensed under the <a href='http://www.opensource.org/licenses/mit-license.php'>MIT licence</a>.]]></bottom>
 		</javadoc>
 		<mkdir dir="doc/api" />
 		<copy todir="doc/api">
 			<fileset dir="build/api" includes="**/*.html" />
 			<filterchain>
-				<linecontains negate="true">
-					<contains value="Generated by javadoc" />
-				</linecontains>
+				<linecontainsregexp negate="true">
+					<regexp pattern="(Generated by javadoc)|(.META NAME=.date.)" />
+				</linecontainsregexp>
 			</filterchain>
 		</copy>
 		<copy todir="doc/api">