* Added `linear<>` and `cache_last<>` options to singly linked lists.
* Added `optimize_multikey<>` option to unordered container hooks.
* Optimized unordered containers when `store_hash` option is used in the hook.
* Implementation changed to be exception agnostic so that it can be used
in environments without exceptions.
* Added `container_from_iterator` function to tree-based containers.
Interprocess:
* Added anonymous shared memory for UNIX systems.
* Fixed file lock compilation errors
[SVN r44819]
Ion Gaztañaga
Daniel James