Add support to dynamic_bitset for compiling with exceptions disabled by using BOOST_TRY/BOOST_CATCH.

This applies the patch from bug https://svn.boost.org/trac/boost/ticket/9939
Fix lacking include in previous pull request.
Merge branch 'master' into develop
Support C++11 minimal allocators
Add noexcept specifications
Use non-deprecated macro for r-value reference support detection
Merge pull request #8 from glenfe/develop

Support C++11 minimal allocators and add noexcept specifications
Merge pull request #9 from boostorg/develop

Merge develop to master

Tested on Darwin, thanks.