* include/bits/forward_list.h: Add C++11 allocator support.
	* include/bits/forward_list.tcc: Likewise.
	* doc/xml/manual/status_cxx2011.xml: Update.
	* testsuite/23_containers/forward_list/allocator/copy.cc: New.
	* testsuite/23_containers/forward_list/allocator/copy_assign.cc: New.
	* testsuite/23_containers/forward_list/allocator/minimal.cc: New.
	* testsuite/23_containers/forward_list/allocator/move_assign.cc: New.
	* testsuite/23_containers/forward_list/allocator/noexcept.cc: New.
	* testsuite/23_containers/forward_list/allocator/swap.cc: New.

From-SVN: r192588