ignore "created by" changes (since, due to ant change to 1.8)

tests/org.eclipse.wtp.releng.tests/src/org/eclipse/wtp/releng/tests/comparatorfilter.properties

@@ -46,5 +46,8 @@ org.eclipse.wst.common.project.facet.doc.api\
 comparator.docbuildxml.comparison = 
 !comparator.docbuildxml.reason = ^Binary file build\\.xml: sizes differ by.*$
 
+comparator.createdbyant.summary = 
+comparator.createdbyant.comparison = 
+comparator.createdbyant.reason = ^The manifest header \"Created-By\" has different values\..*$