added documentation for the permutation_iterator_adaptor

and linked to it from the iterator_adaptors documentation.


[SVN r11824]

libs/utility

@@ -1 +1 @@
-Subproject commit 18944572b7f9544b0106f78423e0d1eb3e3aa349
+Subproject commit 3d69cf95da510ca21ce794e98a59d459121ba7a8