Complexity guarantees for associative container constructors and ordered input ranges
Fix for #9166
Added benchmark for associative containers
Removed check for old MSVC compilers and #pragma once.
[SVN r85970]
* Changed again experimental multiallocation interface for better performance (still experimental).
* Added no exception support for those willing to disable exceptions in their compilers.
* Fixed GCC -Wshadow warnings.
* Replaced deprecated BOOST_NO_XXXX with newer BOOST_NO_CXX11_XXX macros.
[SVN r81519]