use Tiles Master 7


git-svn-id: https://svn.apache.org/repos/asf/tiles/framework/trunk@1807474 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 3fd9b1b..d1b7b11 100644
--- a/pom.xml
+++ b/pom.xml
@@ -26,7 +26,7 @@
     <parent>
         <artifactId>tiles-master</artifactId>
         <groupId>org.apache.tiles</groupId>
-        <version>6</version>
+        <version>7</version>
         <relativePath />
     </parent>