fixed up build.properties for abouts
diff --git a/plugins/org.eclipse.wtp.releng.tools/build.properties b/plugins/org.eclipse.wtp.releng.tools/build.properties
index d863dc9..db5745e 100644
--- a/plugins/org.eclipse.wtp.releng.tools/build.properties
+++ b/plugins/org.eclipse.wtp.releng.tools/build.properties
@@ -1,5 +1,6 @@
 bin.includes = META-INF/,\
                plugin.xml,\
                plugin.properties,\
-               wtpRelengTools.jar
+               wtpRelengTools.jar,\
+               about.html
 source.wtpRelengTools.jar = src/