merged in Dave's additions and added a tutorial using the implementation

of transform iterator as the example


[SVN r9182]

libs/utility

@@ -1 +1 @@
-Subproject commit ce5c6bcc080291b53ace2de9bff52763e4d5db6b
+Subproject commit e104b00da190a9cc14158f8638d3158a1095bfe6