added theme properties

git-svn-id: https://svn.apache.org/repos/asf/struts/sandbox/trunk@1550493 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/struts2examples/themes/src/main/webapp/template/KUTheme_simple/theme.properties b/struts2examples/themes/src/main/webapp/template/KUTheme_simple/theme.properties
new file mode 100644
index 0000000..49429d0
--- /dev/null
+++ b/struts2examples/themes/src/main/webapp/template/KUTheme_simple/theme.properties
@@ -0,0 +1 @@
+parent = xhtml
\ No newline at end of file