Include PNG images in doczip.

git-svn-id: https://olap4j.svn.sourceforge.net/svnroot/olap4j/trunk@11 c6a108a4-781c-0410-a6c6-c2d559e19af0

Author: julianhyde

build.xml

@@ -196,6 +196,7 @@ ${doc.dir}/api/src-html/**/*"/>
 doc/api/**/*,
 doc/**/*.html,
 doc/**/*.pdf,
+doc/**/*.png,
 doc/**/*.css,
 doc/**/*.xml,
 doc/olap4j_api.pdf"