Added life cout and double destruction assertions to test integer-like classes.

Changelog updated with double destruction bugs fix.

doc/container.qbk

@@ -1060,6 +1060,7 @@ use [*Boost.Container]? There are several reasons for that:
 
 [section:release_notes_boost_1_57_00 Boost 1.57 Release]
 *  Added support for `initializer_list`. Contributed by Robert Matusewicz.
+*  Fixed double destruction bugs in vector and backward expansion capable allocators.
 *  Fixed bugs:
    * [@https://svn.boost.org/trac/boost/ticket/10263 Trac #10263 (['"AIX 6.1 bug with sched_yield() function out of scope"])].
    * [@https://github.com/boostorg/container/pull/16 GitHub #16: ['Fix iterators of incomplete type containers]]. Thanks to Mikael Persson.