Some general validation excludes.

git-svn-id: https://svn.apache.org/repos/asf/xmlgraphics/fop/trunk@195918 13f79535-47bb-0310-9956-ffa450edef68

forrest.properties

@@ -27,6 +27,7 @@ project.skinconf=${project.content-dir}/skinconf.xml
 
 forrest.validate=true
 forrest.validate.xdocs=${forrest.validate}
+forrest.validate.xdocs.excludes=**/RCS/**/* **/.* **/*~
 forrest.validate.skinconf=${forrest.validate}
 
 forrest.validate.failonerror=true