Added support for Boost.Hash to Boost.Array; fixes #6791
Added a note about std::array in C++11
Add support for std::get<> to Boost.Array
Add boost::get<> support to Boost.Array
Fix bug where failure test failed for the wrong reason on C++03
Documented boost::get support in Boost.Array
Update Boost.Array tests to use newer Boost.Test features
Add constexpr support to Boost.Array
Back out some of the constexpr support Boost.Array; it crashes gcc