Merge from trunk:

* dropped support of antique compilers (thanks to Stephen Kelly for doing it all around the boost!)

[SVN r86653]

libs/any

@@ -1 +1 @@
-Subproject commit effaf3a3ac822971a22fd01f1870f02d5f069a01
+Subproject commit d35b2d64beb86b45fcbd64a2a1c35b9d3818f6ce