exposed escape()

git-svn-id: https://hudson.dev.java.net/svn/hudson/trunk/hudson/main@2331 71c3de6d-444a-0410-be80-ed276b4c234a

core/src/main/java/hudson/Functions.java

@@ -321,4 +321,8 @@ public class Functions {
         if(s==null)     return false;
         return s.indexOf('\r')>=0 || s.indexOf('\n')>=0;
     }
+
+    public static String encode(String s) {
+        return Util.encode(s);
+    }
 }